§ 70-17. Geometric design standards for streets.

Latest version.

Design Item	Major	Collector	Local
Maximum horizontal curvature (degrees)	12	23	33
Maximum of grade (percent)	7	12	14
Minimum vertical sight (feet)	275	200	200
Minimum distance between reverse curves (tangent)	100	100	100
Right-of-way (feet)	60	60	60
Road surface width, not including curb and gutter (feet)	24	24	20
Width of aggregate base (feet)	30	30	26
Depth of base (feet)	10	8	6
Asphalt (feet)	DOT Standard	2 binder 1.5 finish	1.5
Curb and gutter (feet)	2	2	2

(Code 1979, § 45-1-2.15)

                    
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