INTRODUCTION

A Policy on Geometric Design of Highways and Streets is a globally recognized and a worthy document by the American Association of State Highway and Transport Officials (AASHTO); providing guidance to highway engineers regarding design of roadways and streets. In principal and as a requirement, all roadway designers are expected to adhere to this document during the design process. The net result is a design that meets and exceeds the driver expectancy In fact; the policies and standards in transportation engineering collectively work towards adding a singular value to the roadway as elaborated below:
The true value of roadway that is designed as per standards is capitalized through the roadway features meeting and exceeding the Drivers Expectancy thus assuring that drivers are unlikely to encounter any unsafe abrupt change in any roadway design feature which may create a sudden reduction in travel speed (Speed Differential) and road capacity.
Realizing that expectancy of drivers in Punjab may differ from the drivers in United States and recognizing that we have a driving and roadway design culture of our own; the need arises to supplement and orient the highway designers to practice designing for local drivers and driving conditions. more......