chapter3 - CE222 Highway Engineering Notes on Chapter 3...

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CE222 Highway Engineering Notes on Chapter 3 Transportation Engineering 1. Transportation Planning Process Transportation planning process is a process to balance demand and supply sides in transportation systems. The supply side is characterized as transportation system network and measured primarily by capacity. The demand side or travel demand is derived from urban activities. How to measure urban activities is a key issue to the estimation of travel demand. Read the flow chart shown in Figure 3-1 on page 39 and keep the following components in mind: 1) Inventory of facilities (supply investigation) Facilities are transportation networks. Measures: Conditions (Pavement Quality) Performance (Capacity) 2) Collect and Maintain Socioeconomic (SE) and Land Use Data (Demand Investigation) SE and land use (LU) are the primary measures to evaluate urban activities. From these measures, transportation planners need to estimate how many trips that will be generated for conducting various activities using the transportation facilities. 3)
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This note was uploaded on 02/09/2009 for the course CE 222 taught by Professor Jia during the Winter '09 term at Cal Poly Pomona.

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chapter3 - CE222 Highway Engineering Notes on Chapter 3...

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