Effects of right-turn lanes on driveway sight distance

GR Zeidan, PT McCoy - Transportation research record, 2000 - journals.sagepub.com
GR Zeidan, PT McCoy
Transportation research record, 2000journals.sagepub.com
Vehicles entering a driveway from an exclusive right-turn lane may restrict the sight distance
available to vehicles waiting to enter the arterial street from the driveway. The sight distance
available to the vehicles waiting at a driveway is a function of the geometric design of the
driveway and the right-turn lane. The relationship between available sight distance and the
relevant geometric design variables is examined. The analysis identifies geometries that
provide adequate sight distances for various design speeds.
Vehicles entering a driveway from an exclusive right-turn lane may restrict the sight distance available to vehicles waiting to enter the arterial street from the driveway. The sight distance available to the vehicles waiting at a driveway is a function of the geometric design of the driveway and the right-turn lane. The relationship between available sight distance and the relevant geometric design variables is examined. The analysis identifies geometries that provide adequate sight distances for various design speeds.
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