Cost-model playground

Change a constant, re-route, read the seconds back. Design §4.1.

auto

Driver speed

v_desired = posted + offset, capped at v_max.

Seconds per km of imagined delay.

node costs on

Speed ratio r by context, where no spot applies.

offer alternatives

Click a route on the map, or a chip above it, to read its sections.

Shift-click the map to drop one. A spot costs either a speed ratio — achieved ÷ free flow — or a number of minutes to cross.

Google's route may only be drawn on Google's own map, so it opens in its own surface rather than joining this one.

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how bad does traffic have to get before this journey stops working?