ORT12A Study on Sight Distance at Urban Uncontrolled Intersections: A Case Study in Bauchi State-Nigeria

Abstract

The safe operation at intersection or driveways requires adequate sight distance so drivers can enter the roadway safely. Sight distance is the length of roadway visible to the driver.

This study compares standards and current practice on intersection sight distance within Bauchi metropolis for a four-way and ‘T’ intersections respectively. Primary emphasis being on the traffic operation conditions, drivers’ behavior and vehicle operation characteristics that influence the required intersection sight distance.

Keywords: intersection, sight distance, sight triangle, closure.