An incident occurred on one side of a median on a four-lane dual carriageway road section. This incident disrupted the traffic movement in one direction. Traffic police diverted the traffic from disrupted side to the other side through an opening in a median. The desired sight distance on the four-lane dual carriageway was kept as $360$ m under normal conditions. The Stopping Sight Distance (SSD, in m), which should be available on the operating road section after the incident, is
- $360$
- $240$
- $180$
- $720$
