18.40.100 Pavement alignment.
Horizontal and vertical alignment of pavement on all streets, except in unusual cases, shall be as follows:
(a) Horizontal Alignment. Minimum radii at the centerline of right-of-way:
(1) Major traffic thoroughfares:
(i) Primary: 500 feet.
(ii) Secondary: 300 feet.
(2) Collectors: 200 feet.
(3) Minor streets: 100 feet.
A tangent shall be provided between all reverse curves of sufficient length as related to the radius so as to provide for a smooth flow of vehicular traffic.
(b) Vertical Alignment. All changes in the pavement grade shall be connected by a vertical curve of such length as to provide for a sufficient sight distance and shall be subject to the approval of the City or County Engineer, whichever shall apply. (Code 1981 § 41-98. Code 1995 § 134-140.)
Cross References:City Engineer, TMC 2.20.100.