Vertical street profiles shall conform to the grades listed below.
(a) Arterial Streets | Maximum Grade - 4% |
(b) Collector and Residential Streets and Alleys | Maximum Grade - 6% |
(c) Intersection Approaches (for at least 100 ft.) | Maximum Grade - 4% |
(d) Rate of Change of Grade | Maximum Grade - 4% |
(e) Minimum Grade (normally only with curbs and gutters) | 0.1% |