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- The following cross-classification data have been developed for a European city transportation study area. House Hold (HH) Autos/HH (%) Trip Rate/Auto (%) Income Trips (%) ($) High Med Low O1+2 0 1 +2 HBW HBO NHB 10,000 0 30 70 48 48 4 2.0 6.00 28.5 38 34 28 50 | 4 72| 24 2.5 7.5 30.0 38 2 53 45 20,000 30,000 40,000 50,000 50 50 00 19 81 7.5 12.0 39.0 20 50 34 28 10 70 20 4.0 9.0 33.0 35 34 31 20 75 5 1 32 57 5.5 10.5 36.0 27 35 38 37 60,000 70 30 43 40 0010 90 8.0 13.0 41.0 16 44 Develop the family of cross-classification curves and determine the number of trips produced (by purpose) for traffic zone containing 1000 houses with an average household income of $30,000. (Use high = 55,000; medium 25,000; low = 15,000.)1. A simple road network (for Town X) shown below has two-way links. The travel time in minutes for zero volume (free flow speed) is also shown. Using Dijkstra's algorithm, a. What are the shortest paths from zone B to A, C, and D? b. What are the corresponding travel times? Show the network with final permanent labels, and clearly mark the links showing the minimum paths. 12 10 12 D1. Ministry of Transportation asked your team to carry out the Traffic Assignment using the given vehicle trips (Table 1) and highway network (Figure 1). Try to find minimum paths for every zone pairs and assign the traffic using the "All-or-Nothing" method. Table 1. Vehicle trips by auto Origin zone 1 2 3 4 5 6 7 569 620 310 477 343 226 7.5 2 4447 2645 2593 1773 932 443 3.5 3 3 Destination zone 804 439 414 369 292 130 2.5 5 8 4 1549 1658 1592 3887 1444 5022 $ 3 5 522 248 310 852 1358 707 6 573 189 409 526 2253 1218 7 475 119 209 219 1356 1409
- land-use zone consists of 2000 single-family homes, 520 apartment units, and 3 hotels with 600 rooms each. Calculate the daily vehicular traffic generated by this zone, using the following equations: ts = 5+ 7.35US, ta = 7+ 6.25Ua = 2 + 12.00n t₁ = where the subscripts s, a, and h refer to homes, apartments, and hotels, respectively, and t and U refer to trips and housing units, respectively. Why is there a significant difference in trip production among the units?Using Enumeration Method - list all paths and total duration. Use the chart provided for the infomation needed Activity Predecessor Normal time Normal cost Crash time Crash cost Max Crash Time Slope A 5 $200 4 $350 B A 8 $220 8 $220 C B 6 $250 4 $650 D A 9 $500 5 $600 E A,C 10 $150 9 $500 F E 10 $500 9 $650 G D,F 8 $400 6 $900Problem 1. Consider the network below. The numbers are the link travel times. Links are bi-directional. 1 6. 4 1 1 a 3 1 2 1 1 1 2 (a) Notice that the network above is non-planar, i.e. links can cross each other without being connected. Give an example of a non-planar road network. (b) Give the minimum cost label at each node starting from s. (c) Find the shortest path from s to t.
- Using the data on the table, determine the following using transit rule.2. Find the shortest path from point A to ALL points in the network, list each route and the time it takes. You should have 6 routes in total. a 8 b 6 10 C 15 d 9 14 4 e 13 f 17 7 6.0 gGiven the following transportation network and the production/attraction data in each zone. 3 min 3 3 min 4 min 3 min 4 min 2 min 4 min 2 7 min Production/Attraction Table Zone 1 2 3 4 5 Production 600 1000 500 Attraction 300 200 350 400 The number of trips that originates from Zone 3 and ends in Zone 1 is 13 88 29 None of the above
- The table below shows data obtained in a travel time study on a section of highway using the moving-vehicle technique. Estimate (a) the travel time and (b) the volume in each direction at this section of the highway. Choices for northward: Tn = 5.9, 6.2, 5.2, 4.9 Vn = 535, 505, 514, 555 Choices for southward: Ts = 6.2, 5.2, 4.9, 5.9 Vs = 555, 535, 505, 517 Help me pls. I will upvote, Badly need your help. Thankyou :)Spot speed study was carried out redesign the stretch of major district road. The data collected during th estudy is given below. (1) (ii) Speed Range kmph 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 90-100 Frequency of vehicles Cars Two Wheelers 5 20 24 20 30 35 25 10 10 1 0 6 12 30 60 35 35 15 18 9 What is the design speed for redesigning existing MDR? What are upper and lowe speed limits for mixed traffic? Others 0 4 4 5 30 30 15 10 2 0hree routes connect an origin and a destination with performance functions: ?1=8+0.5?1; ?2=1+2?2; and ?3=3+0.75?3; with the x’s being the traffic volume expressed in thousands of vehicles per hour and t’s being the travel time expressed in minutes. If the peak hour traffic demand is 3400 vehicles, determine user equilibrium traffic flows. [Hint: Note that one of the paths will not be used under the equilibrium condition