ESTIMATING CATCHMENT AREAS OF FREEWAY RAMPS USING USER-EQUILIBRIUM ASSIGNMENT

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  • 利用者均衡配分による都市高速道路ランプ勢力圏の推定
  • リヨウシャ キンコウ ハイブン ニ ヨル トシ コウソク ドウロ ランプ セイ

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Abstract

Consider a city in which all workplaces are concentrated in a highly compact central business district and the commuters' homes are continuously dispersed throughout the city. The home-based work trips are served by a freeway network system superimposed on a two-dimensional continuum of minor street roads. The freeways can be entered only at certain entrance points (freeway ramps). During the morning peak-hours, commuters travelling to work either use only minor roads direct to the CBD, or first travel along the minor access roads to reach the freeways and then proceed to the CBD. For this transportation system, it will be asked that what range of catchment area is served by each freeway ramp given that each commuter seeks to minimize his individual travel time. This spatial trip assignment problem is fully examined in this paper using user-equilibrium approach.

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