Highway Slope Manual
Highway Slope Manual
Highway Slope Manual
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52<br />
(a) Trash Grill at Inlet of Cross Road Drain<br />
to Minimise Chance of Blockage<br />
(b) Cascade with Cover to Carry Water<br />
Down a Steep Rock <strong>Slope</strong><br />
(c) Cross Road Drain and Hard Wearing<br />
and Impermeable <strong>Slope</strong> Surface on the<br />
Downhill Side of a Road<br />
(d) Roadside Channel with Grating Covers<br />
to Intercept Road Surface Runoff<br />
Plate 5.3 Examples of <strong>Highway</strong> <strong>Slope</strong> Drainage and Associated Road Drainage Details