TRAVEL TIME ANDDELAY STUDIES• The shows data obtained in atravel time study on asection of highway using themoving-vehicle technique.Estimate (a) the travel timeand (b) the volume in eachdirection at this section ofthe highwayRunDirection/NumberNorthward245678910Southward34678910No. ofVehiclesTravel Traveling inTimeOppositeDirection(min)5.255.085.305.155.005.515.385.415.125.314.954.855.004.914.635.114.834.914.954.8310010510311010198971121091078588951001029095969890PARKING STUDIESNo. ofVehiclesThatOvertookTestVehicle310130100211No. ofVehiclesOvertakenby TestVehicle211031012PROB 1. Data collected at a parking lot indicate that a total of300 cars park between 8 a.m. and 6 p.m. 10% of these carsare parked for an average of 2 hr, 30% for an average of 4 hr,and the remaining cars are parked for an average of 10 hr.Determine the space-hours of demand at the lotPROB 2. If 10% of the parking bays are vacant on average(between 8 a.m. and 6 p.m.) at the parking lot of PROB1,determine the number of parking bays in the parking lot.Assume an efficiency factor of 0.85

TRAVEL TIME AND DELAY STUDIES • The 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 Run Direction/ Number Northward 1 2 3 7 8 9 10 Southward 123 Travel Time (min) 5.25 5.08 5.30 5.15 5.00 5.51 5.38 5.41 5.12 5.31 4.95 4.85 5.00 Vehicles That Traveling in Overtook Test Vehicle No. of Vehicles Opposite Direction 100 105 103 110 101 98 97 112 109 107 85 88 2231ONIN30 1 2 No. of Vehicles Overtaken by Test Vehicle 2110ONIS10 3

TRAVEL TIME AND DELAY STUDIES • The 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 Run Direction/ Number Northward 1 2 3 7 8 9 10 Southward 123 Travel Time (min) 5.25 5.08 5.30 5.15 5.00 5.51 5.38 5.41 5.12 5.31 4.95 4.85 5.00 Vehicles That Traveling in Overtook Test Vehicle No. of Vehicles Opposite Direction 100 105 103 110 101 98 97 112 109 107 85 88 2231ONIN30 1 2 No. of Vehicles Overtaken by Test Vehicle 2110ONIS10 3

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter8: Intersection Control

Section: Chapter Questions

Problem 8P

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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?
Current Year Future Yeare T[I] = 300e %3D T[II] =1000 %3D T[III] =800 %3D T[IV] = 300 %3D Distribute the trips for inter zonal movement based on Detroit Method.
A Traffic engineer urgently needs to determine The AADT on an urbon minor arterial highway he made annual Volume counts during Two hours on des day during the month of June. a Wer 7:00 - 8000 Am The volume wase 560v/hr and 9.00-10.00 Am The voimmer was y por/hr Dhe nearest control station provided him with the following data - find AADT? HEF DEF(Wendensely) Q. 3: Hour 7:00 -8.00 Am هدوا - ۹۰۰۰ 36 The data" missing 4 7-872 MEF June) 1.323
1. Planners have estimated the following models for the AM Peak Hour T₁ = 1.5 H₁ T; - (1.5 Euj1) + (1 Euthy) + (0.5 Eretj) Where: T - Person Trips Originating in Zone i T₁ = Person Trips Destined for Zone j H Esti Eath Eret Variable 10000 8000 3000 2000 Data Dakotopolis 15000 10000 5000 1500 New Fargo A. What are the number of person trips originating in and destined for each city? B. Normalize the number of person trips so that the number of person trip origins = the number of person trip destinations. Assume the model for person trip origins is more accurate.
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 F
2. Assign the peak hour OD trips on the given road network. Use All-or-Nothing traffic assignment to determine the resulting link volumes. 3 45' 19' 24' 28' 44' 63' 4 Vehicle-trips: O\D 1 3 4 1 820 710 460 350 620 320 3 520 800 290 4 480 650 480
Q) Benefits of monitoring traffic please explain correctly with details
- خاص docs.google.com Q2 / Estimate the monthly expansion factors for June, Apr, and Jan for a rural primary road for the following data : Month ADT Jan 1130 Feb 2134 Mar 4352 1450 Apr 2600 May June 1700 July 1021 4210 Aug 3520 Sep Oct 1200 Nov 5846 Dec 3521 O 11.878 ä, shll 1.6495 0.7735 O 0.5847 2.410 O 2.874 O 1.045
5-4.. The following traffic count data were taken from a per- manent detector location on a major state highway. 1. 2. 3. 4. 5. Month No. of Total Total Total Weekdays Days in Monthly Weekday Volume in Month Month Volume (days) (days) (vehs) (vehs) 200,000 210,000 215,000 205,000 195,000 193,000 180,000 175,000 189,000 170,000 171,000 Jan 22 31 Feb 20 28 185,000 180,000: 172,000 168,000 160,000 150,000 -175,000 178,000 182,000 176,000 Mar 22 31 30 Apr May Jun 22 21 31 22 30 Jul 23 31 21 31 Aug Sep Oct 22 30 198,000 205,000 200,000 22 31 Nov 21 30 Dec 22 31 From this data, determine (a) the AADT, (b) the ADT for each month, (c) the AAWT, and (d) the AWT for each month. From this information, what can be dis- cerned about the character of the facility and the demand it serves?
Design traffic repetitions value in msa.
The table shows the details for a license plate car parking survey. The average bay turnover is approximately ……………….. . a. 2.8 b. 2.3 c. 3.8 d. 4.3
1. If the signal phase designation shown below follows the NEMA convention, the value of "a" and "e" respectively should be: 2 Heaviest Movement e b a а. 1 and 8 b. 4 and 5 с. 1 and 4 d. 3 and 4 2. Which of the following is (are) common accident exposure measure(s) for a highway section? a. Fatality b. Vehicle-Kilometer с. Роpulation d. All of the above 3. Which of the following is (are) possible choice(s) of safety performance index? а. Speed b. Асcident c. Traffic conflicts d. All of the above