Abstract: In British Columbia, many highways are located in mountainous terrain and the costs of highway construction in these areas are high. One method of controlling construction costs is narrow medians but the safety consequences ...

Abstract: The importance of considering three-dimensional (3D) sight distance in geometric design has been demonstrated by several researchers. However, little progress has been made in the use of 3D analysis in the design of highways. ...

Abstract: The concept of design consistency has lately been gaining greater acceptance in North America. Considerable research work is being carried out and steps have already been taken to incorporate this concept into the design ...