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Recent questions tagged signal-design
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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 ______________
Arjun
asked
in
Traffic Engineering
Feb 20, 2021
by
Arjun
11.6k
points
gatecivil-2021-set1
numerical-answers
signal-design
websters-method
0
votes
0
answers
2
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
go_editor
asked
in
Traffic Engineering
Feb 13, 2020
by
go_editor
5.3k
points
gate2020-ce-2
traffic-engineering
transportation-engineering
signal-design
0
votes
0
answers
3
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 $25$
Milicevic3306
asked
in
Traffic Engineering
Mar 28, 2018
by
Milicevic3306
11.9k
points
gate2016-ce-2
traffic-engineering
transportation-engineering
signal-design
0
votes
0
answers
4
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)
Milicevic3306
asked
in
Traffic Engineering
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2015-ce-2
traffic-engineering
transportation-engineering
signal-design
types-of-intersections
0
votes
0
answers
5
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 ________
Milicevic3306
asked
in
Traffic Engineering
Mar 26, 2018
by
Milicevic3306
11.9k
points
gate2014-ce-2
numerical-answers
traffic-engineering
transportation-engineering
signal-design
0
votes
0
answers
6
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
gatecse
asked
in
Traffic Engineering
Feb 17, 2018
by
gatecse
4.0k
points
gate2018-ce-1
traffic-engineering
transportation-engineering
signal-design
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