These are high-speed divided highwayfor through traffic with partially or fullycontrolled accessYour answerThese are nodes in transportationnetwork where two roads meet toform an at-grade junction *Your answerA type of intersection applied forelevated traffic volumes *Your answerA functional classification of highwaythat provides connectivity to business,residence and other land usesYour answerA functional classification of highwaythat offers the highest mobility. *

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Answered: These are high-speed divided highway…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A divided multilane highway in a recreational area has four lanes (two lanes in each direction) and is on rolling terrain. The highway has 10-ft lanes with a 6-ft right-side shoulder and a 3-ft left-side shoulder. The posted speed is 50 mi/h. Previously, there were 4 access points per mile, but recent development has increased the number of access points to 12 per mile. Before development, the peak-hour factor was 0.95, and the directional hourly volume was 2200 vehicles with 13% heavy vehicles. After development, the directional hourly volume is 2600 vehicles with the same vehicle percentages and peak-hour factor. What is the LOS before and after the development?
Lane groups are used during signal design to allocate green time among traffic movements at an intersection. What lane group(s) should be defined for the north-bound approach? Intersection layout is shown in the figure below. All approaches have an exclusive left-turning lane. The right lane is shared between through and right turns. a. There should be two lane groups. The left turn lane is its own lane group (Lane Group #1). The rest lanes belong to Lane Group #2. b. There should be two lane groups. The right-side lane is its own lane group because it's shared (Lane Group #1). The rest lanes belong to Lane Group #2. c. There should be just one lane group, which contains all the lanes from that approach. d. Any of the above.
A 2-lane highway has lane widths of 9ft (2.75 m), with 6ft (1.83 m) clear hard shoulders. There are no-passing zones along 40% of its length. The directional split is 70/30 in favour of the peak direction. The percentages for the various heavy vehicle types are: P, - 10% P- 4% P- 2% The terrain is rolling. Calculate the service flow of the highway when running at full capacity.
Class I two-lane highway is on rolling terrain and the free-flow speed was measured at 56 mi/h, but this was during a two-way flow rate of 275 veh/h. There are 80% no-passing zones. During the peak hour, the analysis direction flow rate is 324 veh/h, the opposing direction flow rate is 216 veh/h, and the PHF = 0.87. There are 5% large trucks and buses and 10% recreational vehicles. Determine the level of service.
Q2/ A 3200 ft segment of 3.25-mi four-lane undivided multilane highway in a suburban area is at a 1.5% grade. The highway is in level terrain, and lane widths are 11 ft. The measured free-flow speed is 46.0 mi/h. The peak-hour volume is 1900 veh/h, PHF is 0.90, and there are 13% trucks and 2% RVs. Determine the LO, speed, and density.
2.6-What is the safe stopping distance for a section of rural freeway with a design speed of 80 mi/h on a 4% upgrade? (Ans. 902.63 ft)
Given the following prevailing traffic and roadway conditions on a uniform 0.625-mile section of a six- lane (3 lanes each direction) rural freeway in the west-bound direction during a regular weekday: Hourly volume, V=4400 vph PHF-0.90 Heavy vehicles=20% (70% single unit trucks and 30% tractor-trailers) Lane width =11 ft Terrain = 3.5% upgrade Shoulder width =5 ft No entry or exit ramps within 3-miles upstream and 3-miles downstream of the midpoint of the analysis segment Determine the capacity and level of service (LOS) on this section of the freeway.
A eight-lane multilane highway (four lanes in each direction) currently operates at maximum LOS C conditions. The measured FFS is 60 mi/h. The highway is on rolling terrain with 12% SUTS and 12% TTs, and the peak-hour factor is 0.92. If 13.2% of all directional traffic occurs during the peak hour, determine the total directional traffic volume.
A eight-lane multilane highway (four lanes in each direction) currently operates at maximum LOS C conditions. The measured FFS is 50 mi/h. The highway is on rolling terrain with 11% SUTS and 11% TTs, and the peak-hour factor is 0.92. If 13.4% of all directional traffic occurs during the peak hour, determine the total directional traffic volume.
Draw a semi cloverleaf interchange, with 2 loop ramps the loop ramps are in the north east and south west quadrants
Which of the following is/are interchanges? Please check all that apply. O Partial Cloverleaf O At -Grade lInterchange O Single Point Urban Interchange (SPUI) All Directional Four Leg O Full Cloverleaf
A four-lane freeway with 12 ft lanes and 5 shoulders is on a 2% grade for the 1.25-mi analysis stretch. There are 2 ramps in this section. If the traffic mix is generally 6% heavy vehicles with a 70/30 SUT/TT split and a PHF of 0.8, how many vehicles can the freeway carry in the peak hour without dropping below Level of Surface (LOS) C?

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These are high-speed divided highway for through traffic with partially or fully controlled access