RING 1 RING 2 $1 2 DJL $5 MAJOR STREET lead-lag lag-lag none $2 $6 BARRIER = Phase Number = Protected Movement $3 MINOR STREET $4 = Permitted Movement = Pedestrian Movement In this ring and barrier diagram, what sequencing is used for the protected left turns? O lead-lead BARRIER
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- $1 $5 MAJOR STREET 42 lead-lag lag-lag none 46 BARRIER -Phase Number -Protected Movement 43 MINOR STREET LU Permitted Movement >-Pedestrian Movement BARRIER In this ring and barrier diagram, what sequencing is used for the protected left turns? lead-leadRING 1 RING 2 $1 2 $5 lead-lag lag-lag MAJOR STREET none $2 $6 BARRIER Phase Number = Protected Movement 43 MINOR STREET $4 = Permitted Movement = Pedestrian Movement In this ring and barrier diagram, what sequencing is used for the protected left turns? O lead-lead BARRIERRING 1 RING 2 $1 2 сл lead-lag lag-lag MAJOR STREET none $2 $6 BARRIER Phase Number Protected Movement $3 MINOR STREET $4 = Permitted Movement Pedestrian Movement In this ring and barrier diagram, what sequencing is used for the protected left turns? lead-lead BARRIER
- QUESTION 1 The approaches of a 4-leg signalized intersection are configured with 1 NB lane, 1 SB lane, 1 EB lane, and 1 WB lane and each of these lanes serves LT, TH, and RT movements. The following volumes and phasing are provided. approach EB WB NB SB movement LT TH RT LT TH RT LT TH RT LT TH RT volume 120 480 160 80 560 100 20 200 40 12 160 48 2 6 What is the critical sum for the EB/WB barrier?How many numbers of conflict are present in a 4-legged intersection? a.12 b.8 c.4 d.6The following cross-section notes of the road was examined to calculate volumes. The width of the roadway is 12m -12 -3 +6 -6 +24 -9 STA 5+040 -15 -4.5 +6 -8 -6 -30 -12 -6 -7 STA 5+140 a. What is the cross section at STA 5+040? STA 5+140?
- The following cross-section notes of the road was examined to calculate volumes. The width of the roadway is 12m -12 -3 -6 4 +6 -6 +24 -9 STA 5+040 +6 -15 -4.5 -6 -6 30 -12 -7 -8 STA 5+140 Compute the volume between two stations using end area method.Calculate the end area for the following stations with 30-ft wide roadway and 4:1 slop: Sta Left Center Right 14+00 F4.0/31.00 F5.0/0.00 F7.0/19.00 15+00 F6.0/25.00 F7.0/0.00 F8.0/17.00Using Enumeration Method - list all paths and total duration. Activity Predecessor Normal time Normal cost Crash time Crash cost Max Crash Time Slope A - 12 $200 9 $350 B A 8 $300 8 $300 C A 9 $250 7 $450 D B 6 $400 5 $600 E B,C 5 $150 4 $225 F C 10 $500 9 $650 G D,E,F 8 $400 6 $900
- 5. Find the level of service of the following road: (45 points) ▪ ▪ 6-lane multilane highway, terrain: 2 miles long 4% upgrade, speed limit: 55 mi/h lanes: 11ft, a two-way left-tum lane in the median, right shoulder: 5 ft, PHF: 0.90 peak hour traffic volume in each direction: 4500 veh/h with 10% SUTs and 5% TTs ▪ 30 access points in 2 miles ▪ Solution ET = 2.745 fHV = 0.792 Vp 2104 pc/h/In FFS = 50.15 mph c = 2083 pc/h/In S = 46.13 mph D = 45.61 pc/mi/In LOS FThe following cross-section notes of the road was examined to calculate volumes. The width of the roadway is 12m -12 -3 +6 -6 -6 +24 -9 STA 5+040 是 号 是 -15 -4.5 -6 -6 +6 -8 30 -12 -7 STA 5+140 Compute the volume between two stations using prismoidal method.The through movement passenger car equivalents (pcphpl) for each approach of Vine and Maple Streetsintersections obtained from a traffic survey as shown in the following diagram. Vine Street for NSmovements 1s 48 ft wide and Maple Street for EW movements is 60 ft wide. There are two throughmovement lanes and one left-tum lane in each approach. The yellow times for Vine Street and MapleStreet through movement and left-tum phases are 4 second and 3 seconds per g_hase, respectively. TheAll-red for each phase is 2.0 seconds and the ost time is 5 seconds per phase. Pedestrian walkmgspeed is 3.5 ft/sec. Assuming equal distribution of traffic on the two through-movement lanes in eachapproach and a saturation flow rate of 1,900 pcphpl. A 3-phase fixed timing signal plan (namely, aprotected left-turn phase, a NS phase, and an EW phase) is suggested.I) In the diagram, the through movement volume is for 2 lanes and left tum volume is for one-lane.2) Determine one N-S or E-W left tum phase on the…