6. During a 60 second period a detector is occupied by vehicles for the following time:...
The fgure below depicts the space-time diagram for vehicles travelling at constant speeds on a single-lane road section. A detector is located at the beginning of the section to measure the traffic stream characteristics of the road During a period of 15 seconds, four vehicles pass over a detection zone with the speeds of 18 km/h, 27 ㎞h 36 km h and 27 kmh for Vehicles 1.2.3 and 4 respectively The times at which each vehicle enters and exits the...