A Study of Toll Plaza Traffic Control In The Case of Construction and Maintenance.

Abstract

The Expressway construction or maintenance is effected to user and officer’s safety. A traffic control is needed to be managing in order to protect user and officer from accident. There are different between toll plaza traffic control and road traffic control. The standard for toll plaza traffic control in Thailand is not complete currently. The aim of this study is to analyses a safety traffic control which suitable for toll plaza work zone. Speed information on different physical type of toll plaza is collected. An average vehicle speed at the toll plaza is 35 – 61 kilometers per hour. Calculate the taper length from speed information; the suitable taper length is 20 – 70 meters. The taper length is similar when compare with FDOT (Florida Department of Transportation) Design Standard, (2013). In conclusion, it can define 3 cases which are 1) In front of toll plaza 2) At toll plaza and 3) Behind toll plaza.