Please answer question 4 2. An intersection has a 2-timing stage signal with the movements allowed in each timingstage, analysis and saturation flow rates shown below. Consider that the lost time pertiming stage is 3 seconds and a critical v/c ratio of 0.85 is desired. Calculate minimumcycle length, and the effective green times (based on minimum cycle length).Timing Stage1EB LWB LAllowed movementsNB T/R SB T/RAnalysis flow rate (veh/h)1125 1075Saturation flow rate(veh/h) 600 600 3400 3200 650 600NBL SB L40 30100803. A six-lane urban freeway (3 lanes per direction) is on rolling terrain with 10-ft lanes,obstructions 5 ft from the right edge of the traveled pavement and 8 ramps within 3 milesupstream and 3 miles downstream of the midpoints of the analysis segment. A directionalweekday peak-hour volume of 2800 vehicles is observed with 760 vehicles arriving in themost congested 15-min period. The traffic stream has 7% single unit trucks and 3%tractor-trailer trucks.a. Determine the density and the LOS.b. If instead of rolling terrain, the freeway segment has an incline of 4.5% for adistance longer than 2 miles, determine the density and LOS.Timing StageAllowed movementsAnalysis flow rate (veh/h)Saturation flow rate(veh/h)Effective green (sec)1NBL SB L330 3651700 175013.94. An intersection has a 3-timing stage signal with the movements allowed in each timingstage and corresponding analysis and saturation flow rates shown below. Consider thatthe total lost time is 12 seconds and a critical v/c ratio of 0.85 was desired. The cyclelength is 60 seconds. Calculate the delay and level of service for (a) the westbound leftlane group, (b) the westbound approach and (c) the whole intersection.NB T/R1125340022EB T/R WB T/RSB T/R10753300250175022.1EB L WB L110 80650 60029518003EB T/R WB T/R250175011.32851800

Given: V=Analysis flow rate =arrival rate in veh/hr S=saturation flow rate g=effective green time…

4. An intersection has a 3-timing stage signal with the movements allowed in each timing stage and corresponding analysis and saturation flow rates shown below. Consider that the total lost time is 12 seconds and a critical v/c ratio of 0.85 was desired. The cycle length is 60 seconds. Calculate the delay and level of service for (a) the westbound left lane group, (b) the westbound approach and (c) the whole intersection. Timing Stage Allowed movements Analysis flow rate (veh/h) Saturation flow rate(veh/h) Effective green (sec) 1 NB L SB L 330 365 1700 1750 13.9 2 NB T/R SB T/R 1125 1075 3400 3300 22.1 3 EB T/R WB T/R WB L EB L 110 80 650 600 1750 250 11.3 285 1800

4. An intersection has a 3-timing stage signal with the movements allowed in each timing stage and corresponding analysis and saturation flow rates shown below. Consider that the total lost time is 12 seconds and a critical v/c ratio of 0.85 was desired. The cycle length is 60 seconds. Calculate the delay and level of service for (a) the westbound left lane group, (b) the westbound approach and (c) the whole intersection. Timing Stage Allowed movements Analysis flow rate (veh/h) Saturation flow rate(veh/h) Effective green (sec) 1 NB L SB L 330 365 1700 1750 13.9 2 NB T/R SB T/R 1125 1075 3400 3300 22.1 3 EB T/R WB T/R WB L EB L 110 80 650 600 1750 250 11.3 285 1800

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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