1. FIGURE Q1 shows Highway 82 network connecting Town X and Y. The highway is currently...
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1. FIGURE Q1 shows Highway 82 network connecting Town X and Y. The highway is currently having LOS C and the government authority plans to develop an industrial area Z as shown in the figure. It is predicted that the new traffic demands generated by the industrial area would decrease LOS of the highway. Therefore, a new highway is planned to connect Town X, Town Y and the industrial area Z. Moreover, a railway is also planned to shift some travel demands of Town X to Town Y, Town X to Industrial Area Z, and Town Y to Industrial Z. Plan the new highway including the justifications on the type of highways and number of lanes. Analyse the Annual Average Daily Traffic (AADT) of Highway 82 from TABLE Q1a and adjust the AADT from the permanent counter station. Justify the Design Hour Volume (DHV) using information in TABLE Q1b. Outline the process in designing the cross-sections of the new highway with appropriate Level of Service (LOS). Use the traffic volume information in APPENDIX I. HIGHWAY 82 NEW INDUSTRIAL AREA Z NEW RAILWAY TOWN X NEW HIGHWAY TOWN Y Time 00:00 - 01:00 01:00 - 02:00 02:00-03:00 03:00-04:00 04:00-05:00 05:00-06:00 06:00-07:00 07:00-08:00 TABLE 1: Traffic volume of permanent counter station (24-hour count) Traffic volume Traffic volume 08:00 09:00 09:00 - 10:00 10:00 - 11:00 11:00 - 12:00 300 524 750 809 889 821 813 909 1025 1029 1350 1099 TABLE 2: Daily Traffic Volume Day of the Week Traffic volume Sunday Monday Tuesday Wednesday Thursday Friday Saturday 8684 11785 11025 12554 11785 14437 13876 8 Time 12:00 - 13:00 13:00 - 14:00 14:00-15:00 15:00 - 16:00 16:00 - 17:00 17:00-18:00 18:00-19:00 19:00 - 20:00 20:00-21:00 21:00 - 22:00 22:00-23:00 23:00 - 24:00 Month January February March VEB 1072 April May June APPENDIX I July August September October November December TABLE 3: Average Daily Traffic in different month 915 869 746 601 487 444 297 185 123 111 105 155 ADT 11485 11320 15951 17602 18705 21750 24510 25005 17125 18504 14253 22253 Students' last digit matrix number 1 2 3 4 5 6 7 8 9 TABLE Q1a 0 Time 07.00-08.00 08.00-09.00 09.00-10.00 10.00-11.00 11.00-12.00 W = last digit of students' matrix number Highway 82 traffic volume 1W00 2W35 2W50 19W4 17W2 TABLE Q1b Additional traffics from Town X and Town Y to Industrial Area Z* Diverted AADT from Highway 82 to new highway 20% and 25% 30% and 35% 40% and 45% 45% and 20% 30% and 35% 15% and 30% 13% and 40% 10% and 25% 25% and 25% 30% and 15% "It is assumed that 70% of additional traffics will use the new highway and the rest will use railway 50% 60% 45% 67% 55% 60% 55% Mode change from Highway 82 to new railway (AADT) 30% 35% 37% 20% 17% 30% 12% 20% 10% 20% 30% 25% 10% 1. FIGURE Q1 shows Highway 82 network connecting Town X and Y. The highway is currently having LOS C and the government authority plans to develop an industrial area Z as shown in the figure. It is predicted that the new traffic demands generated by the industrial area would decrease LOS of the highway. Therefore, a new highway is planned to connect Town X, Town Y and the industrial area Z. Moreover, a railway is also planned to shift some travel demands of Town X to Town Y, Town X to Industrial Area Z, and Town Y to Industrial Z. Plan the new highway including the justifications on the type of highways and number of lanes. Analyse the Annual Average Daily Traffic (AADT) of Highway 82 from TABLE Q1a and adjust the AADT from the permanent counter station. Justify the Design Hour Volume (DHV) using information in TABLE Q1b. Outline the process in designing the cross-sections of the new highway with appropriate Level of Service (LOS). Use the traffic volume information in APPENDIX I. HIGHWAY 82 NEW INDUSTRIAL AREA Z NEW RAILWAY TOWN X NEW HIGHWAY TOWN Y Time 00:00 - 01:00 01:00 - 02:00 02:00-03:00 03:00-04:00 04:00-05:00 05:00-06:00 06:00-07:00 07:00-08:00 TABLE 1: Traffic volume of permanent counter station (24-hour count) Traffic volume Traffic volume 08:00 09:00 09:00 - 10:00 10:00 - 11:00 11:00 - 12:00 300 524 750 809 889 821 813 909 1025 1029 1350 1099 TABLE 2: Daily Traffic Volume Day of the Week Traffic volume Sunday Monday Tuesday Wednesday Thursday Friday Saturday 8684 11785 11025 12554 11785 14437 13876 8 Time 12:00 - 13:00 13:00 - 14:00 14:00-15:00 15:00 - 16:00 16:00 - 17:00 17:00-18:00 18:00-19:00 19:00 - 20:00 20:00-21:00 21:00 - 22:00 22:00-23:00 23:00 - 24:00 Month January February March VEB 1072 April May June APPENDIX I July August September October November December TABLE 3: Average Daily Traffic in different month 915 869 746 601 487 444 297 185 123 111 105 155 ADT 11485 11320 15951 17602 18705 21750 24510 25005 17125 18504 14253 22253 Students' last digit matrix number 1 2 3 4 5 6 7 8 9 TABLE Q1a 0 Time 07.00-08.00 08.00-09.00 09.00-10.00 10.00-11.00 11.00-12.00 W = last digit of students' matrix number Highway 82 traffic volume 1W00 2W35 2W50 19W4 17W2 TABLE Q1b Additional traffics from Town X and Town Y to Industrial Area Z* Diverted AADT from Highway 82 to new highway 20% and 25% 30% and 35% 40% and 45% 45% and 20% 30% and 35% 15% and 30% 13% and 40% 10% and 25% 25% and 25% 30% and 15% "It is assumed that 70% of additional traffics will use the new highway and the rest will use railway 50% 60% 45% 67% 55% 60% 55% Mode change from Highway 82 to new railway (AADT) 30% 35% 37% 20% 17% 30% 12% 20% 10% 20% 30% 25% 10%
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SOLUTION To plan the new highway connecting Town X Town Y and the industrial area Z several factors need to be considered including the existing traffic conditions projected traffic demands and desire... View the full answer
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