- (a) The engineer may authorize or require changes in the design when necessary to preserve the normal and safe movement of traffic or to permit reasonable access.
- (b) In consideration of type, speed, and volume of highway traffic and access driveway traffic, larger radii than the minimum may be required.
(c) When physical factors make it impractical to obtain reasonable access within these requirements, appropriate variations may be authorized, provided that in all cases:
- (1) Radii are confined to the permittee’s property frontage and are not less than two and one-half feet (2 1/2');
- (2) The island between driveways is not less than ten feet (10’) long; and
- (3) The driveway widths do not exceed forty-eight feet (48’).