Advisory
AVOID Location for the next Timeframe due to traffic incident. Some roads closed.
AVOID Location for the next Timeframe due to traffic incident. Some roads closed. 
$$(Agency)$$ advises you to AVOID $$(Location)$$ due to a current traffic issue.
A vehicle crash near $$(Specific Location)$$ has closed $$(Impacted Roads)$$ and will require a detour of traffic for the next $$(Timeframe)$$.
$$(Suggested alternate routes (if desired))$$.
$$(Additional traffic information (if desired))$$.
Address/Location
San Rafael Police Department
1375 Fifth Ave
San Rafael, CA 94901
Contact
Emergency: 9-1-1