An urban freeway in an area with rolling terrain has 8 lanes (4 in one direction). It has 12-ft lanes and 4 ft shoulder clearance. The peak hour volume in peak direction is 6000 vph, with 8% trucks, and a peak hour factor of 0.90. On average there is one diamond interchange every 2 miles. Determine the following for the peak direction under study: (a). Passenger-car equivalent flow rate (pcphpl); (b). Estimated free-flow speed for prevailing conditions;
An urban freeway in an area with rolling terrain has 8 lanes (4 in one direction). It has 12-ft lanes and 4 ft shoulder clearance. The peak hour volume in peak direction is 6000 vph, with 8% trucks, and a peak hour factor of 0.90. On average there is one diamond interchange every 2 miles. Determine the following for the peak direction under study: (a). Passenger-car equivalent flow rate (pcphpl); (b). Estimated free-flow speed for prevailing conditions;
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![C]
An urban freeway in an area with rolling terrain has 8 lanes (4 in one direction). It has 12-ft lanes
and 4 ft shoulder clearance. The peak hour volume in peak direction is 6000 vph, with 8% trucks,
and a peak hour factor of 0.90. On average there is one diamond interchange every 2 miles.
Determine the following for the peak direction under study:
(a). Passenger-car equivalent flow rate (pcphpl);
(b). Estimated free-flow speed for prevailing conditions;
(c). Average passenger car speed;
(d). LOS.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F54ee9614-c34a-457c-aea7-f186a7974fc7%2F28dcd9eb-170f-497a-b4ad-31b261ec4a53%2F29wb9ba_processed.png&w=3840&q=75)
Transcribed Image Text:C]
An urban freeway in an area with rolling terrain has 8 lanes (4 in one direction). It has 12-ft lanes
and 4 ft shoulder clearance. The peak hour volume in peak direction is 6000 vph, with 8% trucks,
and a peak hour factor of 0.90. On average there is one diamond interchange every 2 miles.
Determine the following for the peak direction under study:
(a). Passenger-car equivalent flow rate (pcphpl);
(b). Estimated free-flow speed for prevailing conditions;
(c). Average passenger car speed;
(d). LOS.
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