The radius of curvature on the centerline of streets shall not be less than the following:
Street Classification | Minimum Radius of Curvature |
Arterial street |
500 feet |
Collector street |
300 feet |
Local street |
100 feet |
When there is an angle of deflection of more than one (1) degree between two (2) centerline tangent sections of a street, a curve of adequate radius shall connect them. Between reverse curves a minimum tangent of 100 feet shall be introduced. Minimum horizontal visibility, measured on the centerline, shall be:
Street Classification | Minimum Horizontal Visibility |
Arterial street |
500 feet |
Collector street |
300 feet |
Local street |
150 feet |