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Recent activity in Traffic Engineering
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1
GATE2014-2-51
A student riding a bicycle on a $5$ km one-way street takes $40$ minutes to reach home. The student stopped for $15$ minutes during this ride. $60$ vehicles overtook the student (assume the number of vehicles overtaken by the student is zero) during the ride and $45$ vehicles while the student stopped. The speed of vehicle stream on that road (in km/hr) is $7.5$ $12$ $40$ $60$
A student riding a bicycle on a $5$ km one-way street takes $40$ minutes to reach home. The student stopped for $15$ minutes during this ride. $60$ vehicles overtook the ...
Chandanachandu
100
points
Chandanachandu
recategorized
May 29, 2021
Traffic Engineering
gate2014-ce-2
transportation-engineering
traffic-engineering
traffic-studios-on-flow-and-speed
+
–
0
votes
0
answers
2
GATE Civil 2012 | Question: 44
A pavement designer has arrived at a design traffic of $100$ million standard axles for a newly developing national highway as per $IRC:37$ guidelines using the following data: design life $=15$ years, commercial vehicle count before pavement construction $=4500$ vehicles/day, ... $1.53$ $2.24$ $3.66$ $4.14$
A pavement designer has arrived at a design traffic of $100$ million standard axles for a newly developing national highway as per $IRC:37$ guidelines using the following...
Chandanachandu
100
points
Chandanachandu
edited
May 29, 2021
Traffic Engineering
gate2012-ce
traffic-engineering
transportation-engineering
traffic-growth-rate
statistical-analysis-of-traffic-data
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–
0
votes
0
answers
3
GATE2014-1-50
A traffic survey conducted on a road yields an average daily traffic count of $5000$ ... the vehicle damage factor (VDF) is calculated from the above data, the design traffic (in million standard axle load, MSA) is ________
A traffic survey conducted on a road yields an average daily traffic count of $5000$ vehicles. The axle load distribution on the same road is given in the following table...
Chandanachandu
100
points
Chandanachandu
recategorized
May 29, 2021
Traffic Engineering
gate2014-ce-1
numerical-answers
traffic-engineering
transportation-engineering
statical-analysis-of-traffic-data
+
–
0
votes
0
answers
4
GATE2015-2-22
A superspeedway in New Delhi has among the highest super-elevation rates of any track on the Indian Grand Prix circuit. The track requires drivers to negotiate turns with a radius of $335$ m and $33^{\circ}$ banking. Given this information, the coefficient of side friction required in order to allow a vehicle to travel at $320$ km/h along the curve is $1.761$ $0.176$ $0.253$ $2.530$
A superspeedway in New Delhi has among the highest super-elevation rates of any track on the Indian Grand Prix circuit. The track requires drivers to negotiate turns with...
Chandanachandu
100
points
Chandanachandu
recategorized
May 28, 2021
Traffic Engineering
gate2015-ce-2
traffic-engineering
transportation-engineering
statistical-analysis-of-traffic-data
+
–
0
votes
0
answers
5
GATE2015-1-52
On a circular curve, the rate of superelevation is $e$. While negotiating the curve a vehicle comes to a stop. It is seen that the stopped vehicle does not slide inwards (in the radial direction). The coefficient of side friction is $f$. Which of the following is true: $e \leq f$ $f < e < 2f$ $e \geq 2f$ none of the above
On a circular curve, the rate of superelevation is $e$. While negotiating the curve a vehicle comes to a stop. It is seen that the stopped vehicle does not slide inwards ...
Chandanachandu
100
points
Chandanachandu
recategorized
May 27, 2021
Traffic Engineering
gate2015-ce-1
transportation-engineering
traffic-engineering
accident-study
+
–
0
votes
0
answers
6
GATE2015-1-53
A sign is required to be put up asking drivers to slow down to $30$ km/h before entering Zone $Y$ (see figure). On this road, vehicles require $174$ m to slow down to $30$ km/h (the distance of $174$ m includes the distance travelled during the perception- ... even a $6/9$ vision driver can slow down to $30$ km/h before entering the zone. The minimum value of $x$ is ________ m.
A sign is required to be put up asking drivers to slow down to $30$ km/h before entering Zone $Y$ (see figure). On this road, vehicles require $174$ m to slow down to $30...
Chandanachandu
100
points
Chandanachandu
recategorized
May 27, 2021
Traffic Engineering
gate2015-ce-1
numerical-answers
transportation-engineering
traffic-engineering
traffic-signs
+
–
0
votes
0
answers
7
GATE2016-2-22
If the total number of commercial vehicles per day ranges from $3000$ to $6000$, the minimum percentage of commercial traffic to be surveyed for axle load is $15$ $20$ $25$ $30$
If the total number of commercial vehicles per day ranges from $3000$ to $6000$, the minimum percentage of commercial traffic to be surveyed for axle load is$15$$20$$25$$...
Chandanachandu
100
points
Chandanachandu
edited
May 27, 2021
Traffic Engineering
gate2016-ce-2
traffic-engineering
transportation-engineering
axle-load
surveys
statical-analysis-of-traffic-data
+
–
0
votes
0
answers
8
GATE2016-1-54
While traveling along and against the traffic stream, a moving observer measured the relative flows as $50$ vehicles/hr and $200$ vehicles/hr, respectively. The average speeds of the moving observer while traveling along and against the stream are $20$ km/hr and $30$ km/hr, respectively. The density of the traffic stream (expressed in vehicles/km) is _________
While traveling along and against the traffic stream, a moving observer measured the relative flows as $50$ vehicles/hr and $200$ vehicles/hr, respectively. The average s...
Chandanachandu
100
points
Chandanachandu
retagged
May 27, 2021
Traffic Engineering
gate2016-ce-1
numerical-answers
traffic-engineering
transportation-engineering
density-of-traffic-stream
traffic-studios-on-flow-and-speed
+
–
0
votes
0
answers
9
GATE2017 CE-2-36
Two cars P and Q are moving in a racing track continuously for two hours. Assume that no other vehicles are using the track during this time. The expressions relating the distance travelled $d$ (in km) and time $t$ (in hour) for both vehicles are given as P: $d=60 \: t$ Q: ... would be $15$ km at $30$ minutes $15$ km at $15$ minutes $30$ km at $30$ minutes $30$ km at $15$ minutes
Two cars P and Q are moving in a racing track continuously for two hours. Assume that no other vehicles are using the track during this time. The expressions relating the...
Chandanachandu
100
points
Chandanachandu
edited
May 25, 2021
Traffic Engineering
gate2017-ce-2
traffic-engineering
transportation-engineering
traffic-studios-on-flow-and-speed
+
–
0
votes
0
answers
10
GATE2017 CE-2-12
The safety within a roundabout and the efficiency of a roundabout can be increased, respectively, by increasing the entry radius and increasing the exit radius increasing the entry radius and decreasing the exit radius decreasing the entry radius and increasing the exit radius decreasing the entry radius and decreasing the exit radius
The safety within a roundabout and the efficiency of a roundabout can be increased, respectively, byincreasing the entry radius and increasing the exit radiusincreasing t...
Chandanachandu
100
points
Chandanachandu
recategorized
May 25, 2021
Traffic Engineering
gate2017-ce-2
transportation-engineering
traffic-engineering
traffic-control
+
–
0
votes
0
answers
11
GATE2017 CE-1: 33
The queue length (in number of vehicles) versus time (in seconds) plot for an approach to a signalized intersection with the cycle length of $96$ seconds is shown in the figure (not drawn to scale) At time $t=0$, the light has just turned red. The ... delay per vehicle $=45$ seconds $s=1200$ vph, and for this cycle, the average stopped delay per vehicle $=28.125$ seconds
The queue length (in number of vehicles) versus time (in seconds) plot for an approach to a signalized intersection with the cycle length of $96$ seconds is shown in the ...
Chandanachandu
100
points
Chandanachandu
edited
May 25, 2021
Traffic Engineering
gate2017-ce-1
traffic-engineering
transportation-engineering
travel-time-delay
statical-analysis-of-traffic-data
+
–
0
votes
0
answers
12
GATE2017 CE-1: 34
The radius of a horizontal circular curve on a highway is $120$ m. The design speed is $60$ km/hour, and the design coefficient of lateral friction between the tyre and road surface is $0.15$. The estimated value of superrelevation required (if full lateral friction is assumed to develop), and the ... $\dfrac{1}{11.6} \text{ and } 0.24 \\$ $\dfrac{1}{12.9} \text{ and } 0.24$
The radius of a horizontal circular curve on a highway is $120$ m. The design speed is $60$ km/hour, and the design coefficient of lateral friction between the tyre and r...
Chandanachandu
100
points
Chandanachandu
retagged
May 25, 2021
Traffic Engineering
gate2017-ce-1
traffic-engineering
transportation-engineering
traffic-studios-on-flow-and-speed
+
–
0
votes
0
answers
13
GATE2018 CE-2: 53
The space mean speed (kmph) and density (vehicles/km) of a traffic stream are linearly related. The free flow speed and jam density are $80$ kmph and $100$ vehicles/km respectively. The traffic flow (in vehicles/h, up to one decimal place) corresponding to a speed of $40$ kmph is ____
The space mean speed (kmph) and density (vehicles/km) of a traffic stream are linearly related. The free flow speed and jam density are $80$ kmph and $100$ vehicles/km re...
Chandanachandu
100
points
Chandanachandu
retagged
May 23, 2021
Traffic Engineering
gate2018-ce-2
numerical-answers
traffic-engineering
transportation-engineering
traffic-studios-on-flow-and-speed
+
–
0
votes
0
answers
14
GATE2018 CE-1: 13
There are $20,000$ vehicles operating in a city with an average annual travel of $12,000$ km per vehicle. The NOx emission rate is $2.0$ g/km per vehicle. The total annual release of NOx will be $4,80,000$ kg $4,800$ kg $480$ kg $48$ kg
There are $20,000$ vehicles operating in a city with an average annual travel of $12,000$ km per vehicle. The NOx emission rate is $2.0$ g/km per vehicle. The total annua...
Chandanachandu
100
points
Chandanachandu
recategorized
May 22, 2021
Traffic Engineering
gate2018-ce-1
transportation-engineering
traffic-engineering
statistical-analysis-of-traffic-data
+
–
0
votes
0
answers
15
GATE2018 CE-1: 16
A well-designed signalized intersection is one in which the crossing conflicts are increased total delay is minimized cycle time is equal to the sum of red and green times in all phases cycle time is equal to the sum of red and yellow times in all phases
A well-designed signalized intersection is one in which thecrossing conflicts are increasedtotal delay is minimizedcycle time is equal to the sum of red and green times i...
Chandanachandu
100
points
Chandanachandu
edited
May 22, 2021
Traffic Engineering
gate2018-ce-1
traffic-engineering
transportation-engineering
signal-design
+
–
0
votes
1
answer
16
GATE2018 CE-1: 54
Given the following data: design life $n=15$ years, lane distribution factor $D=0.75$, annual rate of growth of commercial vehicles $r=6 \%$, vehicle damage factor $F=4$ and initial traffic in the year of completion of construction $= 3000$ ... , the design traffic in terms of cumulative number of standard axles (in million standard axles, up to two decimal places) is _____
Given the following data: design life $n=15$ years, lane distribution factor $D=0.75$, annual rate of growth of commercial vehicles $r=6 \%$, vehicle damage factor $F=4$ ...
Chandanachandu
100
points
Chandanachandu
retagged
May 20, 2021
Traffic Engineering
gate2018-ce-1
traffic-engineering
numerical-answers
transportation-engineering
statistical-analysis-of-traffic-data
+
–
0
votes
0
answers
17
GATE2019 CE-2: 44
The uniform arrival and uniform service rates observed on an approach road to a signalized intersection are $20$ and $50$ vehicles/minute, respectively. For this signal, the red time is $30 \: s$, the effective green time is $30 \: s$, and the cycle ... average delay per vehicle using the approach road during a cycle length (in $s$, round off to $2$ decimal places) is __________
The uniform arrival and uniform service rates observed on an approach road to a signalized intersection are $20$ and $50$ vehicles/minute, respectively. For this signal, ...
Chandanachandu
100
points
Chandanachandu
retagged
May 18, 2021
Traffic Engineering
gate2019-ce-2
numerical-answers
traffic-engineering
transportation-engineering
traffic-studios-on-flow-and-speed
+
–
0
votes
0
answers
18
GATE2019 CE-2: 19
The speed-density relationship in a mid-block section of a highway follows the Greenshield’s model. If the free flow speed is $v_f$ and the jam density is $k_j$, the maximum flow observed on this section is $v_fk_j \\$ $\dfrac{v_fk_j}{2} \\$ $\dfrac{v_fk_j}{4} \\$ $\dfrac{v_fk_j}{8}$
The speed-density relationship in a mid-block section of a highway follows the Greenshield’s model. If the free flow speed is $v_f$ and the jam density is $k_j$, the ma...
Chandanachandu
100
points
Chandanachandu
recategorized
May 18, 2021
Traffic Engineering
gate2019-ce-2
transportation-engineering
traffic-engineering
traffic-studios-on-flow-and-speed
greenshieldss-model
+
–
0
votes
0
answers
19
GATE2019 CE-1: 46
Traffic on a highway is moving at a rate of $360$ vehicles per hour at a location. If the number of vehicles arriving on this highway follows Poisson distribution, the probability (round off to $2$ decimal places) that the headway between successive vehicles lies between $6$ and $10$ seconds is ________
Traffic on a highway is moving at a rate of $360$ vehicles per hour at a location. If the number of vehicles arriving on this highway follows Poisson distribution, the pr...
Chandanachandu
100
points
Chandanachandu
recategorized
May 17, 2021
Traffic Engineering
gate2019-ce-1
numerical-answers
transportation-engineering
traffic-engineering
statistical-analysis-of-traffic-data
+
–
0
votes
0
answers
20
GATE2019 CE-1: 45
Average free flow speed and the jam density observed on a road stretch are $60 \: km/h$ and $120$ vehicles/km, respectively. For a linear speed-density relationship, the maximum flow on the road stretch (in vehicles/h) is _______
Average free flow speed and the jam density observed on a road stretch are $60 \: km/h$ and $120$ vehicles/km, respectively. For a linear speed-density relationship, the ...
Chandanachandu
100
points
Chandanachandu
recategorized
May 17, 2021
Traffic Engineering
gate2019-ce-1
numerical-answers
transportation-engineering
traffic-engineering
traffic-studios-on-flow-and-speed
+
–
0
votes
0
answers
21
GATE2020 CE-2-21
$24$-$h$ traffic count at a road section was observed to be $1000$ vehicles on a Tuesday in the month of July. If daily adjustment factor for Tuesday is $1.21$ and monthly adjustment factor for July is $0.913$, the Annual Average Daily Traffic (in veh/day, round off to the nearest integer) is __________.
$24$-$h$ traffic count at a road section was observed to be $1000$ vehicles on a Tuesday in the month of July. If daily adjustment factor for Tuesday is $1.21$ and monthl...
Chandanachandu
100
points
Chandanachandu
retagged
May 14, 2021
Traffic Engineering
gate2020-ce-2
numerical-answers
static-analysis-of-traffic-data
+
–
0
votes
0
answers
22
GATE Civil 2021 Set 1 | Question: 37
Vehicular arrival at an isolated intersection follows the Poisson distribution. The mean vehicular arrival rate is $2$ vehicle per minute. The probability ($\textit{round off to two decimal places}$) that at least $2$ vehicles will arrive in any given $1$-minute interval is _______________________
Vehicular arrival at an isolated intersection follows the Poisson distribution. The mean vehicular arrival rate is $2$ vehicle per minute. The probability ($\textit{round...
Chandanachandu
100
points
Chandanachandu
retagged
May 8, 2021
Traffic Engineering
gatecivil-2021-set1
numerical-answers
statical-analysis-of-traffic-data
poisson-distribution
+
–
0
votes
0
answers
23
GATE2020-CE-1-45
Traffic volume count has been collected on a $2$-lane road section which needs upgradation due to severe traffic flow condition. Maximum service flow rate per lane is observed as $1280\:veh/h$ ... are Regular Commuters', the number of extra lane(s) (round off to the next higher integer) to be provided, is ______.
Traffic volume count has been collected on a $2$-lane road section which needs upgradation due to severe traffic flow condition. Maximum service flow rate per lane is obs...
Chandanachandu
100
points
Chandanachandu
retagged
May 8, 2021
Traffic Engineering
gate2020-ce-1
numerical-answers
peak-hour-factor
traffic-flow
+
–
0
votes
0
answers
24
GATE Civil 2021 Set 1 | Question: 53
Spot speeds of vehicles observed at a point on a highway are $\text{40, 55, 60, 65 and 80 km/h}$. The space-mean speed (in $\text{km/h}$, $\textit{round off to two decimal places}$) of the observed vehicles is ___________________
Spot speeds of vehicles observed at a point on a highway are $\text{40, 55, 60, 65 and 80 km/h}$. The space-mean speed (in $\text{km/h}$, $\textit{round off to two decima...
Chandanachandu
100
points
Chandanachandu
recategorized
May 4, 2021
Traffic Engineering
gatecivil-2021-set1
numerical-answers
traffic-studios-on-flow-and-speed
+
–
0
votes
0
answers
25
GATE Civil 2021 Set 2 | Question: 24
In a three-phase signal system design for a four-leg intersection, the critical flow ratios for each phase are $0.18, 0.32$, and $0.22$. The total loss time in each of the phases is $\text{2 s}$. As per Webster's formula, the optimal cycle length (in $\text{s}, \textit{round off to the nearest integer}$) is _______________
In a three-phase signal system design for a four-leg intersection, the critical flow ratios for each phase are $0.18, 0.32$, and $0.22$. The total loss time in each of th...
Chandanachandu
100
points
Chandanachandu
recategorized
Apr 25, 2021
Traffic Engineering
gatecivil-2021-set2
numerical-answers
traffic-signal
design-by-websters-method
+
–
0
votes
0
answers
26
GATE Civil 2021 Set 2 | Question: 13
Relationship between traffic speed and density is described using a negatively sloped straight line. If $v_{f}$ is the free flow speed then the speed at which the maximum flow occurs is $0$ $\frac{v_{f}}{4}$ $\frac{v_{f}}{2}$ $v_{f}$
Relationship between traffic speed and density is described using a negatively sloped straight line. If $v_{f}$ is the free flow speed then the speed at which the maximum...
Chandanachandu
100
points
Chandanachandu
recategorized
Apr 25, 2021
Traffic Engineering
gatecivil-2021-set2
traffic-studios-on-flow-and-speed
+
–
0
votes
0
answers
27
GATE Civil 2021 Set 1 | Question: 25
A signalized intersection operates in two phases. The lost time is $3$ seconds per phase. The maximum ratios of approach flow to saturation flow for the two phases are $0.37$ and $0.40$. The optimum cycle length using the Webster's method (in seconds, round off to one decimal place) is ______________
A signalized intersection operates in two phases. The lost time is $3$ seconds per phase. The maximum ratios of approach flow to saturation flow for the two phases are $0...
Chandanachandu
100
points
Chandanachandu
recategorized
Apr 23, 2021
Traffic Engineering
gatecivil-2021-set1
numerical-answers
signal-design
websters-method
+
–
0
votes
0
answers
28
GATE Civil 2021 Set 1 | Question: 35
On a road, the speed – density relationship of a traffic stream is given by $u=70-0.7k$ (where speed, $u$, is in $\text{km/h}$ and density, $k$ is in $\text{veh/km}$). At the capacity condition, the average time headway will be $0.5 \:s$ $1.0 \:s$ $1.6 \:s$ $2.1 \:s$
On a road, the speed – density relationship of a traffic stream is given by $u=70-0.7k$ (where speed, $u$, is in $\text{km/h}$ and density, $k$ is in $\text{veh/km}$). ...
Chandanachandu
100
points
Chandanachandu
recategorized
Apr 21, 2021
Traffic Engineering
gatecivil-2021-set1
traffic-studios-on-flow-and-speed
+
–
0
votes
0
answers
29
GATE2020 CE-2-9
The traffic starts discharging from an approach at an intersection with the signal turning green. The constant headway considered from the fourth or fifth headway position is referred to as discharge headway effective headway intersection headway saturation headway
The traffic starts discharging from an approach at an intersection with the signal turning green. The constant headway considered from the fourth or fifth headway positio...
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 18, 2020
Traffic Engineering
gate2020-ce-2
traffic-engineering
transportation-engineering
signal-design
+
–
0
votes
0
answers
30
GATE2020 CE-2-20
For an axle load of $15$ tonne on a road, the Vehicle Damage Factor (round off to two decimal places), in terms of the standard axle load of $8$ tonne, is __________.
For an axle load of $15$ tonne on a road, the Vehicle Damage Factor (round off to two decimal places), in terms of the standard axle load of $8$ tonne, is __________.
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 18, 2020
Traffic Engineering
gate2020-ce-2
numerical-answers
axle-load
traffic-engineering
transportation-engineering
+
–
0
votes
0
answers
31
GATE2019 CE-1: 21
The maximum number of vehicles observed in any five minute period during the peak hour is $160$. If the total flow in the peak hour is $1000$ vehicles, the five minute peak hour factor (round off to $2$ decimal places) is _______
The maximum number of vehicles observed in any five minute period during the peak hour is $160$. If the total flow in the peak hour is $1000$ vehicles, the five minute pe...
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 18, 2020
Traffic Engineering
gate2019-ce-1
numerical-answers
traffic-engineering
transportation-engineering
peak-hour-factor
+
–
0
votes
1
answer
32
GATE2018 CE-2: 54
A $7.5$ m wide two-lane road on a plain terrain is to be laid along a horizontal curve of radius $510$ m. For a design speed of $100$ kmph, super elevation is provided as per $\text{IRC:}73-1980$. Consider acceleration due to gravity as $9.81 m/s^2$. The level difference between the inner and outer edges of the road (in m, upto three decimal places is ________
A $7.5$ m wide two-lane road on a plain terrain is to be laid along a horizontal curve of radius $510$ m. For a design speed of $100$ kmph, super elevation is provided as...
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 18, 2020
Traffic Engineering
gate2018-ce-2
numerical-answers
traffic-engineering
transportation-engineering
urban-roads
+
–
0
votes
0
answers
33
GATE2018 CE-2: 35
A car follows a slow moving truck (travelling at a speed of $10$ m/s) on a two-lane two-way highway. The car reduces its speed to $10$ m/s and follows the truck maintaining a distance of $16$m from the truck. On fining a clear gap in the opposite traffic ... ( from the time it leaves its lane and subsequently returns to its lane after overtaking) is $64$ m $72$ m $128$ m $144$ m
A car follows a slow moving truck (travelling at a speed of $10$ m/s) on a two-lane two-way highway. The car reduces its speed to $10$ m/s and follows the truck maintaini...
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 18, 2020
Traffic Engineering
gate2018-ce-2
traffic-engineering
transportation-engineering
traffic-stream
+
–
0
votes
0
answers
34
GATE2018 CE-2: 16
Peak Hour Factor (PHF) is used to represent the proportion of peak sub-hourly traffic flow within the peak hour. If $15$-minute sub-hours are considered, the theoretically possible range of PHF will be $0$ to $1.0$ $0.25$ to $0.75$ $0.25$ to $1.0$ $0.5$ to $1.0$
Peak Hour Factor (PHF) is used to represent the proportion of peak sub-hourly traffic flow within the peak hour. If $15$-minute sub-hours are considered, the theoreticall...
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 18, 2020
Traffic Engineering
gate2018-ce-2
peak-hour-factor
traffic-engineering
transportation-engineering
+
–
–1
votes
3
answers
35
GATE2018 CE-1: 34
A priority intersection has a single-lane oneway traffic road crossing an undivided two-lane two-way traffic road. The traffic stream speed on the single lane road is $20$ kmph and the speed on the two-lane road is $50$ kmph. The perception-reaction time is $2.5$ s, coefficient of longitudinal ... be $50$ m and $20$ m $61$ m and $18$ m $111$ m and $15$ m $122$ m and $36$ m
A priority intersection has a single-lane oneway traffic road crossing an undivided two-lane two-way traffic road. The traffic stream speed on the single lane road is $20...
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 18, 2020
Traffic Engineering
gate2018-ce-1
traffic-engineering
transportation-engineering
traffic-stream
+
–
0
votes
0
answers
36
GATE2017 CE-1: 25
Vehicles arriving at an intersection from one of the approach roads follow the Poisson distribution. The mean rate of arrival is $900$ vehicles per hour. If a gap is defined as the time difference between two successive vehicle arrivals (with vehicles assumed to be points), the probability (up to four decimal places) that the gap is greater than $8$ seconds is ___________
Vehicles arriving at an intersection from one of the approach roads follow the Poisson distribution. The mean rate of arrival is $900$ vehicles per hour. If a gap is defi...
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 18, 2020
Traffic Engineering
gate2017-ce-1
numerical-answers
traffic-engineering
transportation-engineering
poisson-distribution
+
–
0
votes
0
answers
37
GATE2016-2-53
The critical flow ratios for a three-phase signal are found to be $0.30, 0.25$ and $0.25$. The total time lost in the cycle is $10 \: s$. Pedestrian crossings at this junction are not significant. The respective Green times (expressed in seconds and rounded off to the nearest integer) for the three phases are $34, 28$, and $28$ $40, 25$, and $25$ $40, 30$, and $30$ $50, 25$, and $25$
The critical flow ratios for a three-phase signal are found to be $0.30, 0.25$ and $0.25$. The total time lost in the cycle is $10 \: s$. Pedestrian crossings at this jun...
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 18, 2020
Traffic Engineering
gate2016-ce-2
traffic-engineering
transportation-engineering
signal-design
+
–
0
votes
0
answers
38
GATE2016-2-54
A motorist traveling at $100$ km/h on a highway needs to take the next exit, which has a speed limit of $50$ km/h. The section of the roadway before the ramp entry has a downgrade of $3 \%$ and coefficient of friction $(f)$ is $0.35$. In order to enter the ramp at the maximum allowable speed limit, the braking distance (expressed in m) from the exit ramp is __________
A motorist traveling at $100$ km/h on a highway needs to take the next exit, which has a speed limit of $50$ km/h. The section of the roadway before the ramp entry has a ...
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 18, 2020
Traffic Engineering
gate2016-ce-2
numerical-answers
traffic-engineering
transportation-engineering
speed
+
–
0
votes
0
answers
39
GATE2016-1-22
In a one-lane one-way homogeneous traffic stream, the observed average headway is $3.0$ s. The flow (expressed in vehicles/hr) in this traffic stream is ________
In a one-lane one-way homogeneous traffic stream, the observed average headway is $3.0$ s. The flow (expressed in vehicles/hr) in this traffic stream is ________
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 18, 2020
Traffic Engineering
gate2016-ce-1
numerical-answers
traffic-engineering
transportation-engineering
traffic-stream
+
–
0
votes
0
answers
40
GATE2015-2-23
The following statements are made related to the lengths of turning lanes at signalised intersections: $1.5$ times the average number of vehicles (by vehicle type) that would store in turning lane per cycle during the peak hour. $2$ times the average number of vehicles (by vehicle type) ... lanes is: Maximum of (ii) and (iii) Maximum of (i) and (iii) Average of (i) and (iii) Only (iv)
The following statements are made related to the lengths of turning lanes at signalised intersections:$1.5$ times the average number of vehicles (by vehicle type) that wo...
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 18, 2020
Traffic Engineering
gate2015-ce-2
traffic-engineering
transportation-engineering
signal-design
types-of-intersections
+
–
0
votes
0
answers
41
GATE2015-2-51
The relation between speed $u$ (in km/h) and density $k$ (number of vehicles/km) for a traffic stream on a road is $u=70-0.7k$. The capacity on this road is _________ vph (vehicles/hour).
The relation between speed $u$ (in km/h) and density $k$ (number of vehicles/km) for a traffic stream on a road is $u=70-0.7k$. The capacity on this road is _________ vph...
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 18, 2020
Traffic Engineering
gate2015-ce-2
numerical-answers
traffic-engineering
transportation-engineering
traffic-stream
+
–
0
votes
0
answers
42
GATE2015-1-23
Which of the following statements CANNOT be used to describe free flow speed $(u_f)$ of a traffic stream? $(u_f)$ is the speed when flow is negligible $(u_f)$ is the speed when density is negligible $(u_f)$ is affected by geometry and surface conditions of the road $(u_f)$ is the speed at which flow is maximum and density is optimum
Which of the following statements CANNOT be used to describe free flow speed $(u_f)$ of a traffic stream?$(u_f)$ is the speed when flow is negligible$(u_f)$ is the speed ...
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 18, 2020
Traffic Engineering
gate2015-ce-1
traffic-engineering
transportation-engineering
traffic-stream
+
–
0
votes
0
answers
43
GATE2015-1-51
The acceleration-time relationship for a vehicle subjected to non-uniform acceleration is, $\dfrac{dv}{dt} = (\alpha\: - \beta v_0) e^{ - \beta t}$ where, $v$ is the speed in m/s, $t$ is the time in s, $\alpha$ and $\beta$ are parameters, and $v_0$ is the initial speed ... $\dfrac{dv}{dt}=1.3 m/s^2$ at $t=3$s, the distance (in m) travelled by the vehicle in $35$ s is ________
The acceleration-time relationship for a vehicle subjected to non-uniform acceleration is,$$\dfrac{dv}{dt} = (\alpha\: – \beta v_0) e^{ - \beta t}$$where, $v$ is the sp...
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 18, 2020
Traffic Engineering
gate2015-ce-1
numerical-answers
traffic-engineering
transportation-engineering
speed
acceleration-time-relationship
+
–
0
votes
0
answers
44
GATE2014-2-55
The chainage of the intersection point of two straight is $1585.60$ m and the angle of intersection is $140^{\circ}$. If the radius of a circular curve is $600.00$ m, the tangent distance (in m) and length of the curve (in m), respectively are $418.88$ and $1466.08$ $218.38$ and $1648.49$ $218.38$ and $418.88$ $418.88$ and $218.38$
The chainage of the intersection point of two straight is $1585.60$ m and the angle of intersection is $140^{\circ}$. If the radius of a circular curve is $600.00$ m, the...
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 18, 2020
Traffic Engineering
gate2014-ce-2
traffic-engineering
transportation-engineering
types-of-intersections
+
–
0
votes
0
answers
45
GATE2014-2-53
A pre-timed four phase signal has critical lane flow rate for the first three phases as $200$, $187$ and $210$ veh/hr with saturation flow rate of $1800$ veh/hr/lane for al phases. The lost time is given as $4$ seconds for each phase. If the cycle length is $60$ seconds, the effective green time (in seconds) of the fourth phase is ________
A pre-timed four phase signal has critical lane flow rate for the first three phases as $200$, $187$ and $210$ veh/hr with saturation flow rate of $1800$ veh/hr/lane for ...
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 18, 2020
Traffic Engineering
gate2014-ce-2
numerical-answers
traffic-engineering
transportation-engineering
signal-design
+
–
0
votes
0
answers
46
GATE2014-2-23
The average spacing between vehicles in a traffic stream is $50$ m, then the density (in veh/km) of the stream is _______
The average spacing between vehicles in a traffic stream is $50$ m, then the density (in veh/km) of the stream is _______
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 18, 2020
Traffic Engineering
gate2014-ce-2
numerical-answers
traffic-engineering
transportation-engineering
traffic-stream
+
–
0
votes
0
answers
47
GATE2014-1-53
An isolated three-phase traffic signal is designed by Webster’s method. The critical flow ratios for three phases are $0.20$, $0.30$, and $0.25$ respectively, and lost time per phase is $4$ seconds. The optimum cycle length (in seconds) is ____________
An isolated three-phase traffic signal is designed by Webster’s method. The critical flow ratios for three phases are $0.20$, $0.30$, and $0.25$ respectively, and lost ...
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 18, 2020
Traffic Engineering
gate2014-ce-1
numerical-answers
traffic-engineering
transportation-engineering
webster's-method
+
–
0
votes
0
answers
48
GATE2014-1-52
The speed-density $(u-k)$ relationship on a single lane road with unidirectional flow is $u=70-0.77k$, where $u$ is in km/hr and $k$ is in veh/km. The capacity of the road (in veh/hr) is ___________
The speed-density $(u-k)$ relationship on a single lane road with unidirectional flow is $u=70-0.77k$, where $u$ is in km/hr and $k$ is in veh/km. The capacity of the roa...
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 18, 2020
Traffic Engineering
gate2014-ce-1
numerical-answers
traffic-engineering
transportation-engineering
speed-density-relationship
+
–
0
votes
0
answers
49
GATE2014-1-29
A traffic office imposes on an average $5$ number of penalties daily on traffic violators. Assume that the number of penalties on different days is independent and follows a Poisson distribution. The probability that there will be less than $4$ penalties in a day is ___________
A traffic office imposes on an average $5$ number of penalties daily on traffic violators. Assume that the number of penalties on different days is independent and follow...
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 18, 2020
Traffic Engineering
gate2014-ce-1
numerical-answers
traffic-engineering
transportation-engineering
probability
poisson-distribution
+
–
0
votes
0
answers
50
GATE2014-1-23
The minimum value of $15$ minute peak hour factor on a section of a road is $0.10$ $0.20$ $0.25$ $0.33$
The minimum value of $15$ minute peak hour factor on a section of a road is$0.10$$0.20$$0.25$$0.33$
soujanyareddy13
100
points
soujanyareddy13
recategorized
Nov 18, 2020
Traffic Engineering
gate2014-ce-1
traffic-engineering
transportation-engineering
peak-hour-factor
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