The five-leg roundabout shown below was the scene of 850 accidents in 2004. The annual average daily traffic is shown in the corresponding route OD table. Determine the accident rate of the roundabout. A B D 9,000 11,000 8,500 500 9,040 1,400 2,600 5,800 890 910 D 12,000 400 1,220 E 450 100 2,500

The five-leg roundabout shown below was the scene of 850 accidents in 2004. The annual average daily traffic is shown in the corresponding route OD table. Determine the accident rate of the roundabout. A B D 9,000 11,000 8,500 500 9,040 1,400 2,600 5,800 890 910 D 12,000 400 1,220 E 450 100 2,500

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter9: Capacity And Level Of Service For Highway Segments

Section: Chapter Questions

Problem 21P

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Question

2. The five-leg roundabout shown below was the scene of 850 accidents in 2004. The annual
average daily traffic is shown in the corresponding route OD table. Determine the accident
rate of the roundabout.
A
B
D
9,000 11,000
8,500
500
9,040 1,400
12,000
450
C
2,600
400
100
5,800
1,220
890
910
2,500

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