Certain dead-end streets have trails at their ends (or somewhere before the end) that give pedestrians a route unavailable for vehicular traffic.  These routes usually offer safer routes than the busy streets the pedestrian gets to bypass by taking them

A simple sign might be installed that calls attention to these safety routes.  Such as...

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MAP TO SOUTH

Pedestrian routes in green are on public rights of way.
Solid colored lines indicate hard surface; dotted lines indicate dirt or gravel.
Pedestrian routes in gold are likely private (many are school children's "demand paths").
A few less-traveled routes are shown that are not outlined in color: consider these routes for emergencies.