Question

The figure 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 km/h, 36 km/h, and 27 km/h for Vehicles 1, 2, 3, and 4, respectively. The times at which each vehicle enters and exits the detection zone are shown on the horizontal axis.

Detection zone Time (seconds) 0 What is the occupancy of the road section during the observation period of 15 seconds, based

Detection zone Time (seconds) 0 What is the occupancy of the road section during the observation period of 15 seconds, based on the data collected from the detection zone? a. 0.112 O b. 0.182 О с. 0.283 o d. 0.353 e.0.470
0 0
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Answer #1

IS Is Is I S IS ! Total occupany. o.ナ0.0667十osto,0667 o.283 @ Speed哗4m vehiele: 27 kw.lh 75 m)s Did an utraNeped (15-12):751 8 5x (3-1-S): de-lection zone=

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