140 Part 2 Trafic persons parking lot, the peak demand observed, when the peak demand occurred, and a park between 8 a 3p.m. Five percent of these cars are parked for an average of 2 hr. 20 percent average of 3 hr. 10 percent for an average of 4 br. and the remaining cars are parke 4-21 of the lot at that time. Data collected at a parking lot indicate that a total of 300 cars pan.) 4-22 an average of 9 hr. Determine the space hours of demand at the lot. If 10 percent of the parking bays are vacant on average (between 8 a.m. ands the parking lot of Problem 4-18. determine the number of parking bays in the lot. Assume an efficiency factor of 0.90. pathie 4-23 The owner of the parking lot of Problems 4-21 and 4-22 is planning an expansion lot to provide adequate demand for the following 10 years. If she has estimated parking demand for all categories will increase by 3 percent a year, determine the ber of additional parking hays that will be required. REFERENCES Flighway Performance Monitoring Systems (IIPMS) Field Manual. U.S. Department i Transportation, Federal Highway Administration, Washington, D.C., March 2013 IEEE Transactions on Vehicular Technology, vol. 40, no. 1, February 1991. Manual of Transportation Engineering Studies, 2nd Edition Institute of Transportation Engineers, Washington D.C. November 2010. Siemens, E. (www.siemens.com.co/Siemens DotNetClicnt_Andina/medias/PDFS/63.pdf Spark Parking System (http://www.sparkparking.com) Traffic Monitoring Guide, U.S. Department of Transportation, Federal Highway Admin istration, Washington, D.C., May 2001. Than nanetronny Picha Sud dested with -3 dels sis Thy the be within 1 wit, watch An tour wingspartner pel choice motor din sa odpovestir emocional The twit all of the entry Audy was by which they descontoh2 ww min. What the vtc expected to an FOTO duc ca 30 hrvators were on speed Sched to unde dito 46 1. What is the main enteri mat of the end from wage Whita Tewwe the speciale speed and the intelon wate! Anche wishing to do whether the instally sicut bowocu the acades of grand that for a highway will the datas below. Domethenir conclude the avergoed of larger is the was las ins Acrap Speed Star 13 Sanyi 130 -9 Assume that the data shown in Table were collected onladin your state and consideracion is licing made to set the iwite the read. Spod limits of 50, 55, 60, od mihas being control. Pot the expected nama per the shed speed liminal and come the speed for the rod Cara ons to your The accompanying data shows collected at a secca Wywus da resinar before and after indenforcement milie studentskadeemine whether there was significant diferente average speeds at ulicat love of 30 weet confidence. Ako report, for both the before and after cases, the mean spri andard deviath percentiloped, and more of exceedings posted ost of 30 wun. Aure 15 35 31 11 Ja 1) 38 37 14 E 11 Hiterature on the subject. PROBLEMS 4-1 What are the advantages and disadvantages of machine vision (video image detection) when compared with other forms of detection? 4-2 Select and describe the method and equipment you will recommend be used for traffic data collection for each of the road sections given below. Give reasons for your recom- mendations. (a) A private road leading to an industrial development (b) A residential street (c) A rural collector road (d) A section of an interstate highway Before 2x 140 36 I thes tion apply Flow tine 4-16 21 24 27 20 20 30 32 33 1 dola 21 33 19 13 18 15 Tau 4-10 Cumulative potreban pored of data and determine a vegy on the data or sheds Prob. 1 9. raw the histogrin Irequency distri b) 35ch percentile scos. (c) Sth perutile speed, dj mode, (c) median and 4-11 Delire the following terms and teamples of how they are used Avenge a duty trafic (AADT) Average daily ra (AJT Vetic.miles of trave! VMT Peak hour volume ( PV) 4-12 collected in cach program? 413 Describe the different trattic coun pagascaried out in your state. What do A traffic engine, Wishing to determica representative value of the ADT on 30 way links having simvolume characteristics, conducted a preliminary suda which the following ustimates were made: mean volume 45.750 vehday. Stand deviatica - 3790 ve day. Determine the musimum number of stations for which 4-14 engineer toekohtsin 24 or volume counts for a 95-5 precision level and analo cheef 13 miili Describe the following types of traffic counts and when they are used. (a) Screenline counts (1) Cordon counts (c) Intersection cants (d) Control cours A trafficou taken on a rural highway between 7:00a.m. and 2.00p.m. on a rural way fouad hourly volumes as follows: 4-17 4.15 4-18 Tim Hourly volume 4-19 7:00-8:00 am Ram 9:00-10:00 am 10:00 11:00 am 11:00 am-12.00 pm 1200 1:00 pm 1:00-2:00 pm 310 289 241 251 267 261 243 4-20 25 2 34-351 36-37.1 70 7 2.3 2.2 2:5 5.8 .. - - In Speed. 64-65.9 65 1 65 1.2 100.9 {f. 86 14260 Home Work fi Efi 1 2 86 4.1 4.2 4.4 4.5 4.6 4.1 4.10 4.11 4.12. 86 Due Next Strudel@ Morgan.edu. 2. 410370 8480. 03 Capter 4 at Energies 147 4-16 If these data were collected on a Tuesday in March, estimate the AADT on this toc Lion of highway. Assume that the expansion factors given in Tables 1.6, 47 and 48 wpply How are travel time and delng studies used? Desutbe onc method for collecting travel time and delay data ata section of a highway. Lixplain how to obtain the following infor mation from the data collected: (a) travel time, (b) operational delay. (c) stopped time delay. (d) fixed delay, and (c) travel time delay Ne Vehicles That Owrook Test Vehicle No. of Vehicles Ortaken by Vest Vehicle ed Table 4.14 Travel Time Data for Problem 4-17 Ru Direction Nauf Vehicles Travel Time Number Travelin Opposite Direction Northward 1 5.25 100 2 5.08 105 3 5.30 103 4 5.15 110 5 5.00 101 6 5.51 9 7 5.38 97 B 5.41 112 9 5.12 100 107 Southward 1 4.95 2 -1.83 3 5.00 4 491 100 5 4.63 102 0 5.11 90 7 4.83 95 8 4.91 06 9 4.95 08 10 4.83 90 2 3 1 O 2 1 2 3 2 1 1 D 0 2 1 3 1 0 ח1 1 0 0 1) 2 1 1 2 3 1 0 1 1 2 1 0 1 2 4-17 4-18 Table 4.14 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 cach direc tion at this section of the highway, An engineer, wishing to determine the travel time and average speed along a section of an urban highway as part of an annual trend analysis oa traffic operations, conducted a travel time study using the floating-car technique. He carried out 10 runs and obtained a standard deviation of 3.4 mith in the speeds obtained. If a 5 percent significance level is assumed, is the number of test runs adequate? Briefly describe the tasks you would include in a comprehensive parking study for your college campus. Indicate how you would perform each task and the way you would pres- ent the data collected. Select a parking lot on your campus. For several hours, conduct a study of the lot using the methods described in this chapter. From the data collected, determine the turnover and duration. Draw a parking accumulation curve for the lot. Identify the capacity of the 4-19 4-20 Before 2x 140 36 I thes tion apply Flow tine 4-16 21 24 27 20 20 30 32 33 1 dola 21 33 19 13 18 15 Tau 4-10 Cumulative potreban pored of data and determine a vegy on the data or sheds Prob. 1 9. raw the histogrin Irequency distri b) 35ch percentile scos. (c) Sth perutile speed, dj mode, (c) median and 4-11 Delire the following terms and teamples of how they are used Avenge a duty trafic (AADT) Average daily ra (AJT Vetic.miles of trave! VMT Peak hour volume ( PV) 4-12 collected in cach program? 413 Describe the different trattic coun pagascaried out in your state. What do A traffic engine, Wishing to determica representative value of the ADT on 30 way links having simvolume characteristics, conducted a preliminary suda which the following ustimates were made: mean volume 45.750 vehday. Stand deviatica - 3790 ve day. Determine the musimum number of stations for which 4-14 engineer toekohtsin 24 or volume counts for a 95-5 precision level and analo cheef 13 miili Describe the following types of traffic counts and when they are used. (a) Screenline counts (1) Cordon counts (c) Intersection cants (d) Control cours A trafficou taken on a rural highway between 7:00a.m. and 2.00p.m. on a rural way fouad hourly volumes as follows: 4-17 4.15 4-18 Tim Hourly volume 4-19 7:00-8:00 am Ram 9:00-10:00 am 10:00 11:00 am 11:00 am-12.00 pm 1200 1:00 pm 1:00-2:00 pm 310 289 241 251 267 261 243 4-20 Hiterature on the subject. PROBLEMS 4-1 What are the advantages and disadvantages of machine vision (video image detection) when compared with other forms of detection? 4-2 Select and describe the method and equipment you will recommend be used for traffic data collection for each of the road sections given below. Give reasons for your recom- mendations. (a) A private road leading to an industrial development (b) A residential street (c) A rural collector road (d) A section of an interstate highway Than nanetronny Picha Sud dested with -3 dels sis Thy the be within 1 wit, watch An tour wingspartner pel choice motor din sa odpovestir emocional The twit all of the entry Audy was by which they descontoh2 ww min. What the vtc expected to an FOTO duc ca 30 hrvators were on speed Sched to unde dito 46 1. What is the main enteri mat of the end from wage Whita Tewwe the speciale speed and the intelon wate! Anche wishing to do whether the instally sicut bowocu the acades of grand that for a highway will the datas below. Domethenir conclude the avergoed of larger is the was las ins Acrap Speed Star 13 Sanyi 130 -9 Assume that the data shown in Table were collected onladin your state and consideracion is licing made to set the iwite the read. Spod limits of 50, 55, 60, od mihas being control. Pot the expected nama per the shed speed liminal and come the speed for the rod Cara ons to your The accompanying data shows collected at a secca Wywus da resinar before and after indenforcement milie studentskadeemine whether there was significant diferente average speeds at ulicat love of 30 weet confidence. Ako report, for both the before and after cases, the mean spri andard deviath percentiloped, and more of exceedings posted ost of 30 wun. Aure 15 35 31 11 Ja 1) 38 37 14 E 11 140 Part 2 Trafic persons parking lot, the peak demand observed, when the peak demand occurred, and a park between 8 a 3p.m. Five percent of these cars are parked for an average of 2 hr. 20 percent average of 3 hr. 10 percent for an average of 4 br. and the remaining cars are parke 4-21 of the lot at that time. Data collected at a parking lot indicate that a total of 300 cars pan.) 4-22 an average of 9 hr. Determine the space hours of demand at the lot. If 10 percent of the parking bays are vacant on average (between 8 a.m. ands the parking lot of Problem 4-18. determine the number of parking bays in the lot. Assume an efficiency factor of 0.90. pathie 4-23 The owner of the parking lot of Problems 4-21 and 4-22 is planning an expansion lot to provide adequate demand for the following 10 years. If she has estimated parking demand for all categories will increase by 3 percent a year, determine the ber of additional parking hays that will be required. REFERENCES Flighway Performance Monitoring Systems (IIPMS) Field Manual. U.S. Department i Transportation, Federal Highway Administration, Washington, D.C., March 2013 IEEE Transactions on Vehicular Technology, vol. 40, no. 1, February 1991. Manual of Transportation Engineering Studies, 2nd Edition Institute of Transportation Engineers, Washington D.C. November 2010. Siemens, E. (www.siemens.com.co/Siemens DotNetClicnt_Andina/medias/PDFS/63.pdf Spark Parking System (http://www.sparkparking.com) Traffic Monitoring Guide, U.S. Department of Transportation, Federal Highway Admin istration, Washington, D.C., May 2001.
Purchase answer to see full attachment