MUTCD/California/SW

Series SW of the CA MUTCD is for special warning signs.

SW4: Watch Downhill Speed

Sign or plaque	Designation	Name	Tags	Notes
	SW4-1	Watch Downhill Speed	?

SW17: Trailers–Campers–Gusty Wind Area

Sign or plaque	Designation	Name	Tags	Notes
	SW17-1	Trailers–Campers–Gusty Wind Area Next ___ Miles	hazard:caravan=side_winds hazard:trailer=side_winds for the next ___ miles

SW22: Winding Levee Road

Sign or plaque	Designation	Name	Tags	Notes
	SW22-1	Winding Levee Road	?
	SW22-1A	Speed/Distance Plaque	maxspeed:advisory=45 mph for the next 6 miles

SW24: School Crosswalk Warning Assemblies

Sign or plaque	Designation	Name	Tags	Notes
	SW24-1	School Crosswalk Warning Assembly A	hazard=school_zone amenity=school nearby
	SW24-2	School Crosswalk Warning Assembly B	highway=crossing crossing=marked hazard=school_crossing
	SW24-3	School Crosswalk Warning Assembly C	highway=crossing crossing=marked hazard=school_crossing ahead

SW26: Signal/Stop Ahead Arrow

Sign or plaque	Designation	Name	Tags	Notes
	SW26	Signal/Stop Ahead Arrow	hazard=turn;traffic_signals highway=traffic_signals after the turn

SW32: Drifting Sand

Sign or plaque	Designation	Name	Tags	Notes
File:MUTCD-CA SW32.svg	SW32	Drifting Sand	hazard=sand	Speculative

SW35: Flash Flood Area

Sign or plaque	Designation	Name	Tags	Notes
	SW35	Flash Flood Area	hazard=flood

SW36: End Freeway

Sign or plaque	Designation	Name	Tags	Notes
File:MUTCD-CA SW36.svg	SW36	End Freeway	End highway=motorway at this point

SW37: Tunnel

Sign or plaque	Designation	Name	Tags	Notes
	SW37	Tunnel	man_made=tunnel ahead tunnel=yes ahead

SW38: Deaf Children Near

Sign or plaque	Designation	Name	Tags	Notes
	SW38	Deaf Children Near	hazard=deaf_people	Speculative

SW41: Snow Slide Area

Sign or plaque	Designation	Name	Tags	Notes
	SW41	Snow Slide Area	hazard=avalanche

SW44: Downward Arrow

Sign or plaque	Designation	Name	Tags	Notes
	SW44	Downward Arrow	N/A

SW46: Watch for Snow Slippery

Sign or plaque	Designation	Name	Tags	Notes
	SW46	Watch for Snow Slippery	hazard:snow=slippery snow_chains=no	Speculative

SW47: Off Highway Vehicles

Sign or plaque	Designation	Name	Tags	Notes
	SW47	Off Highway Vehicles	Begin ohv=designated ahead

SW48: Tractor-Semis Over (X Feet) Kingpin to Rear Axle Not Advised

Sign or plaque	Designation	Name	Tags	Notes
File:MUTCD-CA SW48.svg	SW48	Tractor-Semis Over (X Feet) Kingpin to Rear Axle Not Advised	hgv_articulated:conditional=discouraged @ (length>*')	KPRA is assumed in California; prefer access tag over maxlength=* because this is only an advisory, not a legal restriction.
File:MUTCD-CA SW48-1.svg	SW48-1	Next Exit	N/A	Tag on next off-ramp and subsequent road
File:MUTCD-CA SW48-2.svg	SW48-2	Next ___ Miles	N/A	Tag for next ___ miles

SW49: Playground

Sign or plaque	Designation	Name	Tags	Notes
File:MUTCD-CA SW49.svg	W15-1,SW49	Playground	hazard=children leisure=playground nearby

SW50: Senior Citizen Facility

Sign or plaque	Designation	Name	Tags	Notes
File:MUTCD-CA SW50.svg	SW50	Senior Citizen Facility	hazard=seniors amenity=social_facility social_facility:for=senior or amenity=community_centre community_centre:for=senior nearby

SW52: Emergency Vehicles

Sign or plaque	Designation	Name	Tags	Notes
	SW52	Emergency Vehicles	hazard=emergency_vehicles emergency=designated on cross street

SW54: (HOV) Lane Selection

Sign or plaque	Designation	Name	Tags	Notes
File:MUTCD-CA SW54.svg	SW54	(HOV) Lane Selection (Left or Right Arrow)	turn:lanes=|right highway=motorway_link lanes=2 hov=lane hov:lanes=designated| ahead and to the right type=connectivity connectivity=*:1,2
File:MUTCD-CA SW54-1.svg	SW54-1	(HOV) Lane Selection (Left or Right and Vertical Arrow)	turn:lanes=|through;right highway=motorway_link lanes=2 hov=lane hov:lanes=designated| ahead and to the right type=connectivity connectivity=*:1,2
	SW54C	HOV 2+ Is 2 or More Per Vehicle When Metered	highway=motorway_link hov=lane hov:minimum:lanes=2|	Is HOV lane open to all traffic when not metered?

SW58: Watch for Snow Removal Equipment

Sign or plaque	Designation	Name	Tags	Notes
	SW58	Watch for Snow Removal Equipment	hazard=snowplowing	Speculative

SW59: Migrating Bears

Sign or plaque	Designation	Name	Tags	Notes
	SW59	Migrating Bears	hazard=animal_crossing hazard:animal=bear	Speculative

SW60: Watch for Stopped Vehicles

Sign or plaque	Designation	Name	Tags	Notes
	SW60	Watch for Stopped Vehicles	hazard=queues_likely

External links

• CA MUTCD Chapter 2C. Warning Signs and Object Markers
• California Special Warning (SW) Sign Specs
• Diagrams of warning signs of California