巷道汽機車車流特性比較研究

A Comparative Study on Car and Motorcycle Traffic Flow Characteristics on Local Streets

隨著交通需求的成長與土地使用強度的增加，巷道交通問題日益惡化。對於國內巷道的車流型態，于有必要進行一系列的研究，以便改良巷道交通工程設計。本研究先就巷道內汽機車車流特性進行比較分析，期能拋磚引玉，引發更多對此本土化研究的重視。本研究將巷道車流分成路段與路口兩部份進行探討，路段部份以車輛之行駛速度及混合車流之基礎構圖為主；在路口部份，以汽機車之臨近路口速度及接受間距為分析重點。研究結果發現機車無論在通過路口式路段，其平均行駛速度皆明顯較汽車高；在路口部份機車之接受間距明顯小於汽車。因此未來在巷道內對汽機車應考慮不同的交通工程設計方式。

Increasing traffic demand and land use intensity makes the trafficproblem on local street getting worse. In order to improve the trafficengineering design on local street, it is necessary to investigate the the mixedtraffic flow characteristics, especially in Taiwan. This paper aims to compareand analyze the car and motorcycle traffic flow characteristics on local street.The analysis focuses on the speed and fundamental diagram in street section andthe gap acceptance of car and motorcycle at intersection. The average speed ofmotorcycle is higher than the car. Gap acceptance of motorcycle is significantlylower than that of car. The results show that there is significant difference oftraffic pattern on local street between car and motorcycle.