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- Design the intersection given the following vehicular volumes per leg in pcu.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 F8.0/17.00For the through movement of the north-bound approach, what is the minimum change and clearance interval (CCL)? Assume a travel speed of 45 mph. Geometric layout is shown in the figure below. Mind you - - that approach is located along a +3% upgrade. Let's consider a semi truck as our design vehicle, which has a vehicle length of 72 ft! a. 3.3 sec b. 4.7 sec C. 5.5 sec d. 7.8 sec JINI 60 ft. 48 ft. TINI North-bound G=+3%
- In the 4- legged intersection, if G1-11.31 sec, G2 1.2 min, G3 = 58 sec, N1= 100, N2 = 560 pce/lane, N3 = 448 pce/lane, and N4 = %3D 495 pce/lane, then G4 = %3D Oa. 44 sec O b. 36 sec Oc. 29 sec O d. None of the given answers O e 40 sec Of 32 secA developer has requested permission to build a large retail store at a location adjacent to the intersection of an undivided four-lane major road and a two-lane minor road. Traffic on the minor road is controlled by a stop sign. The speed limits are 35 and 50 mi/h on the minor and major roads, respectively. The building is to be located at a distance of 65 ft from the near lane of one of the approaches of the minor road. Determine where the building should be located relative to the centerline of the outside lane of the major road in order to provide adequate sight distance for a driver on the minor road to turn right onto the major road after stopping at the stop line. Design vehicle is a single-unit truck. Lanes on the major road are 12 ft wide.The 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?
- intersects with a 4-lane major highway (design speed 55 mph) that runs in an East- A minor, north-south highway (design vehicle is passenger vehicle, length 2 West direction with west is to the left of the intersection There is a stOp Sg intersection. The intersection is practicaly level, but the major highway siop Jown at a 1% grade towards the west The maior highway is a 4-lane dividee lane widths of 12 feet and median width of 20 feet Calculate the minimum required sight distances for both left and right turns. Make reasonabie assumptions for the turning radil,if the distance is (1000) ft and the travel time is (18.9) second, then the . space mean speed is 50.5 ft/sec 52.9 ft/sec 50.4 ft/secConsider the tabulated intersection design data below, then the number of vehicles stopped during the red interval for Phase EW is vehicles. Assume that Qs is 2000 about .............. vphpl and use Webster's method procedure. Qa (vph) Yellow All-red ts (sec) Lane 1 Lane 2 (sec) (sec) Phase N 500 600 2 2 3 Phase S 650 550 2 Phase EW 300 250 2 1 2 а. 13 b. 10 6. d. 8. C.
- A developer has requested permission to build a large retail store at a location adjacent to the intersection of an undivided four-lane major road and a two-lane minor road. Traffic on the minor road is controlled by a stop sign. The speed limits are 35 and 50 mph, respectively. The building is to be located at a distance of 65 ft from the near lane of one of the approaches of the minor road. Determine where the building should be located relative to the centerline of the outside lane of the major road in order to provide adequate sight distance for a driver on the minor road to turn right onto the major road after stopping at the stop line. Design vehicle is a single-unit truck. Lanes on both roadways are 12 ft wide. Grades are approximately level.Compute the maximum number of vehicles that can be efficiently stopped at 90' .angle curb parking of 50 m lengtt 6 .a 11 .b None .c 43 .d 19 .ea) At a certain on-street parking 1. determine the maximum number of parking spaces required to park vehicles in angle (90° degree) if length =150 ft, then show your final layout of the on-street parking. 2. Find the required curb length (feet) to accommodate the maximum number of parking spaces if angle space parking is 45° degree. b) Briefly describe how to determine the standard dimensions of a parking stall. c) A parking garage serves 150 cars per day between 8 am to 4 pm; these cars are parked for an average of 1.5 hours. Determine: 1. The total space-hours served. 2. The number of additional spaces needs when the number of space-hours increases by 10% (Assume parking efficiency is 0.9)