The 4 northbound lanes of a rural freeway segment have 13 ft lane widths. There is no lateral clearance afforded on either side of the road. There are no ramps within the area of influence. What is the estimated FFS (mph)? Provide your answer to the nearest tenths.

The 4 northbound lanes of a rural freeway segment have 13 ft lane widths. There is no lateral clearance afforded on either side of the road. There are no ramps within the area of influence. What is the estimated FFS (mph)? Provide your answer to the nearest tenths.

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter7: Intersection Design

Section: Chapter Questions

Problem 13P

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Concept explainers

Intersection Design

An intersection is a location where two or more roads or railways meet or join. The traffic movement is controlled at the intersection that depends on its design and type. It governs the operation, efficiency, speed, capacity, and safety of the highways, airways, and railways. The movement of the pedestrian causes hazards and delays at the intersection.

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The 3 eastbound lanes of a rural freeway segment have 11 ft lane widths. There is a 3 ft lateral clearance on the right side of the road. There are no ramps within the influence area. What is the estimated FFS (mph)? Provide your answer to the nearest tenths.
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