Morrisville Engineering, Design, and Construction Manual - July 2016

Section 8: Definitions 8.1 Terms Defined 7.2.4 Best Management Practices

S IGHT D ISTANCE

Sight distance shall mean the length of roadway visible to the driver traveling along the roadway. Sight distance provides motorists the opportunity, traveling at design speeds, to prevent their vehicles in various situations from striking unexpected objects.

S TOPPING SIGHT DISTANCE

The distance required of a driver to perceive, react, brake, and stop before reaching a conflicting object in its path.

V ERTICAL L INE OF S IGHT

A straight line connecting the driver’s eye, which is located 3.5 feet above the roadway surface, with the object, which is located 0.5 feet above the roadway surface.

January 2016

Morrisville, NC

Page 46

Engineering, Design, and Construction Manual