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co1 transport engine
| Question | Answer |
|---|---|
| Urban transportation planning | is the process that leads to decisions on transportation policies and programs. |
| Traffic Analysis Zones (TAZs) | The area within the cordon is composed of _____ and is subject to explicit modeling and analysis. |
| • Zoning System | is a way of aggregating trips into manageable chunks for modeling purposes. |
| • Traffic Analysis Zone (TAZ) | is basic unit of zoning system; origins and destinations. |
| sectors. | Districts that extend radially outward from the CBD are called |
| rings. | Districts grouped circumferentially around the CBD are called |
| Urban activity forecasting | provides information about factors that influence travel within the area. |
| Travel Demand | refers to person-trips and goods movement generated by and attracted to a site depending on type of development |
| Travel Demand | is expressed either as Person Trips or Commodity Trips |
| Derived Demand | • Travel Demand Is considered as |
| NETWORK GEOMETRY | The transportation system is represented through networks that describe the available travel modes (e.g., auto, truck, bus). |
| ◦ Nodes | Numbered intersections used for assignment and analysis |
| ◦ Links | Road segments connecting the nodes |
| ◦ Lines | (for transit) – Segments connecting transit stops or stations |
| The four step model | is the primary tool for forecasting future demand and performance of a transportation system, typically defined at a regional or sub-regional scale. |
| Trip | is a one way movement from a point of origin to a point of destination |
| Factors Affecting Trip Generation | Personal Trip Production Income, car ownership, household structure, family size, value of land, residential density and accessibility. |
| Personal Trip Attraction | Roofed space available for industrial, commercial and other services; zonal employment; and accessibility measure. |
| Freight Trip Production and Attraction | Number of employees, amount of sales, roofed area of firm, total area of firm. |
| Trip-rate analysis | refers to several models that are based on the determination of the average trip-production or trip- attraction rates associated with the important trip generators within the region. |
| Category Analysis | Also called cross-classification analysis. The approach is based on a control of total trips at the home End. |