For the through movement of the north-bound approach, what is the minimum change and clearance interval (CCL)? Assume a travel speed of 45 mph. Geometric layout is shown in the figure below. Mind you - - that approach is located along a +3% upgrade. Let's consider a semi truck as our design vehicle, which has a vehicle length of 72 ft! Oa. 3.3 sec O b. 4.7 sec O c. 5.5 sec O d. 7.8 sec 60 ft. 48 ft. North-bound G=+3%

For the through movement of the north-bound approach, what is the minimum change and clearance interval (CCL)? Assume a travel speed of 45 mph. Geometric layout is shown in the figure below. Mind you - - that approach is located along a +3% upgrade. Let's consider a semi truck as our design vehicle, which has a vehicle length of 72 ft! Oa. 3.3 sec O b. 4.7 sec O c. 5.5 sec O d. 7.8 sec 60 ft. 48 ft. North-bound G=+3%

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter7: Intersection Design

Section: Chapter Questions

Problem 9P

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