No scope selected. UK-wide loads at zoom 10+.

Collision Filters

Direction arrows

Heatmap

Heatmap overlay Heat cluster counts

Single mode: click collision markers to add or remove them.

No collisions selected.

Generate one report card per selected authority in the current map scope and active filters.

Severity weighting (used for authority ranking)

Fatal weight 3 Serious weight 2 Slight weight 1

Authorities