shape
Eight sides
Stop. The silhouette remains distinctive when words are hard to read.
MUTCD shape and color sourceCalifornia sign lab · verified 2026-08-17
Read the silhouette first.
Shape tells you the kind of message before words become legible. Color narrows it further. Learn those cues, then work through all 98 positions on the California DMV DL-37 chart.
01 · inference
Shape first. Color second. Words last.
These are category cues, not permission to ignore a sign's exact symbol or legend.
shape
Triangle pointing down
Yield. Slow and give the right-of-way; stop if necessary.
MUTCD shape and color source color
Fluorescent yellow-green
School, pedestrian, or bicycle warning emphasis where specified.
MUTCD shape and color source02 · deterministic drill
Name the sign.
The order and distractors are fixed, so a repeat session is comparable. This is study practice, not an official exam simulation.
Sign 1 of 98 0 correct
Answer
Lane ends
A travel lane ends ahead. Prepare to merge safely.
Current standard designation: W4-2
Verified 2026-08-17
Answer
Crossroad
Another roadway crosses ahead.
Current standard designation: W2-1
Verified 2026-08-17
Answer
Divided highway
A divided highway begins ahead.
Current standard designation: W6-1
Verified 2026-08-17
Answer
Two-way traffic
Two-way traffic begins ahead.
Current standard designation: W6-3
Verified 2026-08-17
Answer
Freeway ends
Freeway conditions end one-half mile ahead.
Current standard designation: W19-1
Verified 2026-08-17
Answer
Winding road
Several curves follow. Reduce speed and stay in your lane.
Current standard designation: W1-5
Verified 2026-08-17
Answer
Right turn with advisory speed
A right turn is ahead; the lower number is an advisory speed for favorable conditions.
Current standard designation: W1-1 / W13-1P
Verified 2026-08-17
Answer
Stop ahead
A stop sign is ahead.
Current standard designation: W3-1
Verified 2026-08-17
Answer
Yield ahead
A yield sign is ahead.
Current standard designation: W3-2
Verified 2026-08-17
Answer
Railroad crossing ahead
A highway-rail grade crossing is ahead. Look, listen, and be ready to stop.
Current standard designation: W10-1
Verified 2026-08-17
Answer
Number of tracks
The crossing has the displayed number of tracks.
Current standard designation: R15-2P
Verified 2026-08-17
Answer
Slippery road
The roadway can be slippery, especially when wet.
Current standard designation: W8-5
Verified 2026-08-17
Answer
No passing zone
A no-passing zone begins or continues here.
Current standard designation: W14-3
Verified 2026-08-17
Answer
Added lane
Traffic enters in a new lane without a required merge.
Current standard designation: W4-3
Verified 2026-08-17
Answer
Through traffic merge left
Through traffic must merge to the left.
DL-37 layout: no direct current MUTCD designation assigned here.
Verified 2026-08-17
Answer
Lane ends, merge left
The right lane ends. Merge left when safe.
Current standard designation: W9-2
Verified 2026-08-17
Answer
Traffic signal ahead
A traffic control signal is ahead.
Current standard designation: W3-3
Verified 2026-08-17
Answer
Bicycle crossing or traffic
Watch for bicycle traffic on or entering the roadway.
Current standard designation: W11-1
Verified 2026-08-17
Answer
School bus stop ahead
A school bus stop is ahead. Watch for children and a stopped bus.
Current standard designation: S3-1
Verified 2026-08-17
Answer
Pedestrian crossing
Watch for people crossing the roadway.
Current standard designation: W11-2
Verified 2026-08-17
Answer
Road narrows
The roadway becomes narrower ahead.
Current standard designation: W5-1
Verified 2026-08-17
Answer
Pavement ends
The paved surface ends ahead.
Current standard designation: W8-3
Verified 2026-08-17
Answer
Soft shoulder
The shoulder may not support a vehicle safely.
Current standard designation: W8-4
Verified 2026-08-17
Answer
Slide area
Rock or earth slides may affect the roadway.
DL-37 layout: no direct current MUTCD designation assigned here.
Verified 2026-08-17
Answer
Narrow bridge
A bridge ahead is narrower than the approach roadway.
Current standard designation: W5-2
Verified 2026-08-17
Answer
Flooded
Water may cover the road. Do not enter water of unknown depth.
Current standard designation: W8-18
Verified 2026-08-17
Answer
Cross traffic ahead
Traffic crosses the road ahead.
DL-37 layout: no direct current MUTCD designation assigned here.
Verified 2026-08-17
Answer
Rough road
The road surface is rough ahead.
Current standard designation: W8-8
Verified 2026-08-17
Answer
Steep downgrade
A steep downgrade is ahead. Select a safe speed and gear before descending.
Current standard designation: W7-1a / W7-3P
Verified 2026-08-17
Answer
School crossing
A school crossing is ahead. Watch for children and be ready to stop.
Current standard designation: S1-1
Verified 2026-08-17
Answer
Directional arrow
A sharp change in road direction occurs at the sign.
Current standard designation: W1-6
Verified 2026-08-17
Answer
Truck rollover
A curve has a rollover risk, especially for trucks and high-center vehicles. Reduce speed.
Current standard designation: W1-13
Verified 2026-08-17
Answer
Merging traffic
Traffic enters and merges ahead.
Current standard designation: W4-1
Verified 2026-08-17
Answer
T intersection
The road ends at a T intersection. Prepare to turn left or right.
Current standard designation: W2-4
Verified 2026-08-17
Answer
Signal ahead in indicated direction
A traffic signal is ahead after the indicated turn.
Current standard designation: W3-3 / W16-5P
Verified 2026-08-17
Answer
Stop
Come to a complete stop at the required stopping point, then proceed only when safe.
Current standard designation: R1-1
Verified 2026-08-17
Answer
Yield
Slow and yield the right-of-way. Stop if necessary.
Current standard designation: R1-2
Verified 2026-08-17
Answer
Wrong way
You are traveling against the legal direction of traffic. Stop safely and turn around.
Current standard designation: R5-1a
Verified 2026-08-17
Answer
Do not enter
Do not enter this roadway or ramp from this direction.
Current standard designation: R5-1
Verified 2026-08-17
Answer
No left turn
Left turns are prohibited.
Current standard designation: R3-2
Verified 2026-08-17
Answer
No parking
Parking is prohibited.
Current standard designation: R8-3
Verified 2026-08-17
Answer
No U-turn
U-turns are prohibited.
Current standard designation: R3-4
Verified 2026-08-17
Answer
No parking any time
Do not park here at any time; the arrow identifies the regulated direction.
Current standard designation: R7-1
Verified 2026-08-17
Answer
Do not pass
Do not pass other vehicles in this zone.
Current standard designation: R4-1
Verified 2026-08-17
Answer
Right turn only
Traffic in this lane must turn right.
Current standard designation: R4-21
Verified 2026-08-17
Answer
Keep right
Pass to the right of the divider, island, or obstruction.
Current standard designation: R4-7
Verified 2026-08-17
Answer
Keep left
Pass to the left of the divider, island, or obstruction.
Current standard designation: R4-8
Verified 2026-08-17
Answer
Two-way left turn only
The center lane is reserved for left turns from traffic in either direction.
Current standard designation: R3-9b
Verified 2026-08-17
Answer
Slower traffic keep right
Slower vehicles should use the right lane.
Current standard designation: R4-3
Verified 2026-08-17
Answer
Two-way traffic ahead
Two-way traffic begins ahead.
DL-37 layout: no direct current MUTCD designation assigned here.
Verified 2026-08-17
Answer
No turn on red
Do not turn while the signal is red.
Current standard designation: R10-11b
Verified 2026-08-17
Answer
Left turn yield on green
A driver turning left on a circular green signal must yield to conflicting traffic and people crossing.
Current standard designation: R10-12
Verified 2026-08-17
Answer
Speed limit 50
The posted maximum speed is 50 mph when conditions allow; the basic speed law still applies.
Current standard designation: R2-1
Verified 2026-08-17
Answer
Turning traffic must yield to pedestrians
Drivers turning must yield to people crossing.
Current standard designation: R10-15
Verified 2026-08-17
Answer
Push button for pedestrian signal
Use the indicated push button to request a pedestrian crossing signal.
Current standard designation: R10-3
Verified 2026-08-17
Answer
Railroad crossing crossbuck
Yield at the highway-rail grade crossing and do not cross when a train is approaching.
Current standard designation: R15-1
Verified 2026-08-17
Answer
Lane control with no U-turn
Follow the lane arrows; a U-turn from the shown lane is prohibited.
DL-37 layout: no direct current MUTCD designation assigned here.
Verified 2026-08-17
Answer
Left turn or U-turn
This lane may be used for a left turn or U-turn where permitted.
Current standard designation: R3-6a
Verified 2026-08-17
Answer
Advance lane control
Choose a lane that permits your intended movement before reaching the intersection.
Current standard designation: R3-8
Verified 2026-08-17
Answer
No turns
Turning movements are prohibited.
Current standard designation: R3-3
Verified 2026-08-17
Answer
Right lane must turn right
Traffic in the right lane must turn right.
Current standard designation: R3-7
Verified 2026-08-17
Answer
Slower traffic use turnouts
A slower vehicle must use turnouts as required to let following traffic pass.
Current standard designation: R4-12
Verified 2026-08-17
Answer
Emergency parking only
Parking is allowed only for an emergency.
Current standard designation: R8-4
Verified 2026-08-17
Answer
Yield to uphill traffic
On the constrained grade, yield to traffic traveling uphill as posted.
DL-37 layout: no direct current MUTCD designation assigned here.
Verified 2026-08-17
Answer
Right lane must exit
Traffic in the right lane must leave the main roadway.
Current standard designation: R3-33a
Verified 2026-08-17
Answer
Turnout ahead
A turnout is one-quarter mile ahead.
Current standard designation: R4-13
Verified 2026-08-17
Answer
Bike lane
The marked lane is reserved for bicycle travel, subject to lawful entries and turns.
Current standard designation: R3-17
Verified 2026-08-17
Answer
Bus or carpool lane ahead
A preferential lane for the displayed eligible vehicles is ahead.
Current standard designation: R3-12
Verified 2026-08-17
Answer
High-occupancy vehicle lane fine
Violating the posted carpool-lane restriction can carry the displayed minimum fine. Posted amounts can change.
DL-37 layout: no direct current MUTCD designation assigned here.
Verified 2026-08-17
Answer
One way
Traffic moves only in the arrow's direction.
Current standard designation: R6-1
Verified 2026-08-17
Answer
Road work ahead
A work zone begins ahead. Slow down and expect changed conditions.
Current standard designation: W20-1
Verified 2026-08-17
Answer
Road closed ahead
The road is closed ahead. Follow the posted route.
Current standard designation: W20-3
Verified 2026-08-17
Answer
No shoulder
There is no usable shoulder ahead.
Current standard designation: W8-23
Verified 2026-08-17
Answer
One lane road ahead
Traffic ahead is reduced to one shared or controlled lane.
Current standard designation: W20-4
Verified 2026-08-17
Answer
Lane closed
A lane is closed ahead. Merge as directed.
Current standard designation: W20-5
Verified 2026-08-17
Answer
Loose gravel
Loose stones can reduce traction and be thrown by tires.
Current standard designation: W8-7
Verified 2026-08-17
Answer
Shoulder work ahead
Workers or equipment may occupy the shoulder.
Current standard designation: W21-5
Verified 2026-08-17
Answer
Workers
Workers are on or near the roadway. Slow down and follow directions.
Current standard designation: W21-1
Verified 2026-08-17
Answer
Ramp closed on posted schedule
The ramp is closed during the dates and times shown.
DL-37 layout: no direct current MUTCD designation assigned here.
Verified 2026-08-17
Answer
Flagger ahead
A flagger controls traffic ahead. Be ready to stop and obey directions.
Current standard designation: W20-7a
Verified 2026-08-17
Answer
Slow-moving vehicle emblem
A vehicle displaying this emblem normally travels 25 mph or less.
Current standard designation: W21-4
Verified 2026-08-17
Answer
Use next exit
Leave the roadway at the next exit as directed by the temporary traffic-control plan.
DL-37 layout: no direct current MUTCD designation assigned here.
Verified 2026-08-17
Answer
Road work next 5 miles
Work-zone conditions continue for the displayed distance.
Current standard designation: G20-1
Verified 2026-08-17
Answer
Detour
Follow the arrow along the temporary alternate route.
Current standard designation: M4-10
Verified 2026-08-17
Answer
Trolley station
Follow this guide sign to a light-rail or trolley station.
Current standard designation: I3-8
Verified 2026-08-17
Answer
Airport
Follow this guide sign toward an airport.
Current standard designation: I3-5
Verified 2026-08-17
Answer
Route and direction assembly
The route shield, cardinal directions, and arrow show which way to follow the route.
Current standard designation: M1-5 / M3 / M6
Verified 2026-08-17
Answer
Carpool lane entrance
The arrow marks an entrance to a preferential carpool lane.
DL-37 layout: no direct current MUTCD designation assigned here.
Verified 2026-08-17
Answer
Exit
The arrow identifies the direction of an exit.
Current standard designation: E4-1
Verified 2026-08-17
Answer
Bike route
The roadway is part of a designated bicycle route.
Current standard designation: D11-1
Verified 2026-08-17
Answer
Divided road ahead
A divided-road condition is the displayed distance ahead.
DL-37 layout: no direct current MUTCD designation assigned here.
Verified 2026-08-17
Answer
Park and ride
A park-and-ride facility is available in the indicated direction.
Current standard designation: D4-2
Verified 2026-08-17
Answer
Accessible facility
An accessible facility or space is available.
Current standard designation: D9-6
Verified 2026-08-17
Answer
Telephone
A public or emergency telephone service is available.
Current standard designation: D9-1
Verified 2026-08-17
Answer
Electric vehicle charging
An electric vehicle charging station is available.
Current standard designation: D9-11b
Verified 2026-08-17
Answer
Emergency, rest-area, and next-services information
The stacked panels give emergency contact, rest-area distance, and distance to the next services.
Current standard designation: D12-4 / D5-1 / D9-17P
Verified 2026-08-17
Answer
Hospital
A hospital is available in the indicated direction.
Current standard designation: D9-2
Verified 2026-08-17
Answer
Camping
A campground is available in the indicated direction.
Current standard designation: D9-3
Verified 2026-08-17
Which sign is shown?
Keys 1 to 4 answer. Enter advances.
03 · complete DL-37 chart
All 98 chart positions.
The sequence follows the two-page California DMV chart. Every rendering is inline SVG with an accessible title. Codes identify direct current federal matches, not a claim that the older DL-37 artwork has been redrawn by FHWA.
Warning signs 35
DL-37 #1 · page 1
Lane ends
A travel lane ends ahead. Prepare to merge safely.
Standard: W4-2
DL-37 FHWA design source · verified 2026-08-17
DL-37 #2 · page 1
Crossroad
Another roadway crosses ahead.
Standard: W2-1
DL-37 FHWA design source · verified 2026-08-17
DL-37 #3 · page 1
Divided highway
A divided highway begins ahead.
Standard: W6-1
DL-37 FHWA design source · verified 2026-08-17
DL-37 #4 · page 1
Two-way traffic
Two-way traffic begins ahead.
Standard: W6-3
DL-37 FHWA design source · verified 2026-08-17
DL-37 #5 · page 1
Freeway ends
Freeway conditions end one-half mile ahead.
Standard: W19-1
DL-37 FHWA design source · verified 2026-08-17
DL-37 #6 · page 1
Winding road
Several curves follow. Reduce speed and stay in your lane.
Standard: W1-5
DL-37 FHWA design source · verified 2026-08-17
DL-37 #7 · page 1
Right turn with advisory speed
A right turn is ahead; the lower number is an advisory speed for favorable conditions.
Standard: W1-1 / W13-1P
DL-37 FHWA design source · verified 2026-08-17
DL-37 #8 · page 1
Stop ahead
A stop sign is ahead.
Standard: W3-1
DL-37 FHWA design source · verified 2026-08-17
DL-37 #9 · page 1
Yield ahead
A yield sign is ahead.
Standard: W3-2
DL-37 FHWA design source · verified 2026-08-17
DL-37 #10 · page 1
Railroad crossing ahead
A highway-rail grade crossing is ahead. Look, listen, and be ready to stop.
Standard: W10-1
DL-37 FHWA design source · verified 2026-08-17
DL-37 #11 · page 1
Number of tracks
The crossing has the displayed number of tracks.
Standard: R15-2P
DL-37 FHWA design source · verified 2026-08-17
DL-37 #12 · page 1
Slippery road
The roadway can be slippery, especially when wet.
Standard: W8-5
DL-37 FHWA design source · verified 2026-08-17
DL-37 #13 · page 1
No passing zone
A no-passing zone begins or continues here.
Standard: W14-3
DL-37 FHWA design source · verified 2026-08-17
DL-37 #14 · page 1
Added lane
Traffic enters in a new lane without a required merge.
Standard: W4-3
DL-37 FHWA design source · verified 2026-08-17
DL-37 #15 · page 1
Through traffic merge left
Through traffic must merge to the left.
California chart-specific layout
DL-37 · verified 2026-08-17
DL-37 #16 · page 1
Lane ends, merge left
The right lane ends. Merge left when safe.
Standard: W9-2
DL-37 FHWA design source · verified 2026-08-17
DL-37 #17 · page 1
Traffic signal ahead
A traffic control signal is ahead.
Standard: W3-3
DL-37 FHWA design source · verified 2026-08-17
DL-37 #18 · page 1
Bicycle crossing or traffic
Watch for bicycle traffic on or entering the roadway.
Standard: W11-1
DL-37 FHWA design source · verified 2026-08-17
DL-37 #19 · page 1
School bus stop ahead
A school bus stop is ahead. Watch for children and a stopped bus.
Standard: S3-1
DL-37 FHWA design source · verified 2026-08-17
DL-37 #20 · page 1
Pedestrian crossing
Watch for people crossing the roadway.
Standard: W11-2
DL-37 FHWA design source · verified 2026-08-17
DL-37 #21 · page 1
Road narrows
The roadway becomes narrower ahead.
Standard: W5-1
DL-37 FHWA design source · verified 2026-08-17
DL-37 #22 · page 1
Pavement ends
The paved surface ends ahead.
Standard: W8-3
DL-37 FHWA design source · verified 2026-08-17
DL-37 #23 · page 1
Soft shoulder
The shoulder may not support a vehicle safely.
Standard: W8-4
DL-37 FHWA design source · verified 2026-08-17
DL-37 #24 · page 1
Slide area
Rock or earth slides may affect the roadway.
California chart-specific layout
DL-37 · verified 2026-08-17
DL-37 #25 · page 1
Narrow bridge
A bridge ahead is narrower than the approach roadway.
Standard: W5-2
DL-37 FHWA design source · verified 2026-08-17
DL-37 #26 · page 1
Flooded
Water may cover the road. Do not enter water of unknown depth.
Standard: W8-18
DL-37 FHWA design source · verified 2026-08-17
DL-37 #27 · page 1
Cross traffic ahead
Traffic crosses the road ahead.
California chart-specific layout
DL-37 · verified 2026-08-17
DL-37 #28 · page 1
Rough road
The road surface is rough ahead.
Standard: W8-8
DL-37 FHWA design source · verified 2026-08-17
DL-37 #29 · page 1
Steep downgrade
A steep downgrade is ahead. Select a safe speed and gear before descending.
Standard: W7-1a / W7-3P
DL-37 FHWA design source · verified 2026-08-17
DL-37 #30 · page 1
School crossing
A school crossing is ahead. Watch for children and be ready to stop.
Standard: S1-1
DL-37 FHWA design source · verified 2026-08-17
DL-37 #31 · page 1
Directional arrow
A sharp change in road direction occurs at the sign.
Standard: W1-6
DL-37 FHWA design source · verified 2026-08-17
DL-37 #32 · page 1
Truck rollover
A curve has a rollover risk, especially for trucks and high-center vehicles. Reduce speed.
Standard: W1-13
DL-37 FHWA design source · verified 2026-08-17
DL-37 #33 · page 1
Merging traffic
Traffic enters and merges ahead.
Standard: W4-1
DL-37 FHWA design source · verified 2026-08-17
DL-37 #34 · page 1
T intersection
The road ends at a T intersection. Prepare to turn left or right.
Standard: W2-4
DL-37 FHWA design source · verified 2026-08-17
DL-37 #35 · page 1
Signal ahead in indicated direction
A traffic signal is ahead after the indicated turn.
Standard: W3-3 / W16-5P
DL-37 FHWA design source · verified 2026-08-17
Regulatory signs 35
DL-37 #36 · page 1
Stop
Come to a complete stop at the required stopping point, then proceed only when safe.
Standard: R1-1
DL-37 FHWA design source · verified 2026-08-17
DL-37 #37 · page 1
Yield
Slow and yield the right-of-way. Stop if necessary.
Standard: R1-2
DL-37 FHWA design source · verified 2026-08-17
DL-37 #38 · page 1
Wrong way
You are traveling against the legal direction of traffic. Stop safely and turn around.
Standard: R5-1a
DL-37 FHWA design source · verified 2026-08-17
DL-37 #39 · page 1
Do not enter
Do not enter this roadway or ramp from this direction.
Standard: R5-1
DL-37 FHWA design source · verified 2026-08-17
DL-37 #40 · page 1
No left turn
Left turns are prohibited.
Standard: R3-2
DL-37 FHWA design source · verified 2026-08-17
DL-37 #41 · page 1
No parking
Parking is prohibited.
Standard: R8-3
DL-37 FHWA design source · verified 2026-08-17
DL-37 #42 · page 1
No U-turn
U-turns are prohibited.
Standard: R3-4
DL-37 FHWA design source · verified 2026-08-17
DL-37 #43 · page 1
No parking any time
Do not park here at any time; the arrow identifies the regulated direction.
Standard: R7-1
DL-37 FHWA design source · verified 2026-08-17
DL-37 #44 · page 1
Do not pass
Do not pass other vehicles in this zone.
Standard: R4-1
DL-37 FHWA design source · verified 2026-08-17
DL-37 #45 · page 1
Right turn only
Traffic in this lane must turn right.
Standard: R4-21
DL-37 FHWA design source · verified 2026-08-17
DL-37 #46 · page 1
Keep right
Pass to the right of the divider, island, or obstruction.
Standard: R4-7
DL-37 FHWA design source · verified 2026-08-17
DL-37 #47 · page 1
Keep left
Pass to the left of the divider, island, or obstruction.
Standard: R4-8
DL-37 FHWA design source · verified 2026-08-17
DL-37 #48 · page 1
Two-way left turn only
The center lane is reserved for left turns from traffic in either direction.
Standard: R3-9b
DL-37 FHWA design source · verified 2026-08-17
DL-37 #49 · page 1
Slower traffic keep right
Slower vehicles should use the right lane.
Standard: R4-3
DL-37 FHWA design source · verified 2026-08-17
DL-37 #50 · page 2
Two-way traffic ahead
Two-way traffic begins ahead.
California chart-specific layout
DL-37 · verified 2026-08-17
DL-37 #51 · page 2
No turn on red
Do not turn while the signal is red.
Standard: R10-11b
DL-37 FHWA design source · verified 2026-08-17
DL-37 #52 · page 2
Left turn yield on green
A driver turning left on a circular green signal must yield to conflicting traffic and people crossing.
Standard: R10-12
DL-37 FHWA design source · verified 2026-08-17
DL-37 #53 · page 2
Speed limit 50
The posted maximum speed is 50 mph when conditions allow; the basic speed law still applies.
Standard: R2-1
DL-37 FHWA design source · verified 2026-08-17
DL-37 #54 · page 2
Turning traffic must yield to pedestrians
Drivers turning must yield to people crossing.
Standard: R10-15
DL-37 FHWA design source · verified 2026-08-17
DL-37 #55 · page 2
Push button for pedestrian signal
Use the indicated push button to request a pedestrian crossing signal.
Standard: R10-3
DL-37 FHWA design source · verified 2026-08-17
DL-37 #56 · page 2
Railroad crossing crossbuck
Yield at the highway-rail grade crossing and do not cross when a train is approaching.
Standard: R15-1
DL-37 FHWA design source · verified 2026-08-17
DL-37 #57 · page 2
Lane control with no U-turn
Follow the lane arrows; a U-turn from the shown lane is prohibited.
California chart-specific layout
DL-37 · verified 2026-08-17
DL-37 #58 · page 2
Left turn or U-turn
This lane may be used for a left turn or U-turn where permitted.
Standard: R3-6a
DL-37 FHWA design source · verified 2026-08-17
DL-37 #59 · page 2
Advance lane control
Choose a lane that permits your intended movement before reaching the intersection.
Standard: R3-8
DL-37 FHWA design source · verified 2026-08-17
DL-37 #60 · page 2
No turns
Turning movements are prohibited.
Standard: R3-3
DL-37 FHWA design source · verified 2026-08-17
DL-37 #61 · page 2
Right lane must turn right
Traffic in the right lane must turn right.
Standard: R3-7
DL-37 FHWA design source · verified 2026-08-17
DL-37 #62 · page 2
Slower traffic use turnouts
A slower vehicle must use turnouts as required to let following traffic pass.
Standard: R4-12
DL-37 FHWA design source · verified 2026-08-17
DL-37 #63 · page 2
Emergency parking only
Parking is allowed only for an emergency.
Standard: R8-4
DL-37 FHWA design source · verified 2026-08-17
DL-37 #64 · page 2
Yield to uphill traffic
On the constrained grade, yield to traffic traveling uphill as posted.
California chart-specific layout
DL-37 · verified 2026-08-17
DL-37 #65 · page 2
Right lane must exit
Traffic in the right lane must leave the main roadway.
Standard: R3-33a
DL-37 FHWA design source · verified 2026-08-17
DL-37 #66 · page 2
Turnout ahead
A turnout is one-quarter mile ahead.
Standard: R4-13
DL-37 FHWA design source · verified 2026-08-17
DL-37 #67 · page 2
Bike lane
The marked lane is reserved for bicycle travel, subject to lawful entries and turns.
Standard: R3-17
DL-37 FHWA design source · verified 2026-08-17
DL-37 #68 · page 2
Bus or carpool lane ahead
A preferential lane for the displayed eligible vehicles is ahead.
Standard: R3-12
DL-37 FHWA design source · verified 2026-08-17
DL-37 #69 · page 2
High-occupancy vehicle lane fine
Violating the posted carpool-lane restriction can carry the displayed minimum fine. Posted amounts can change.
California chart-specific layout
DL-37 · verified 2026-08-17
DL-37 #70 · page 2
One way
Traffic moves only in the arrow's direction.
Standard: R6-1
DL-37 FHWA design source · verified 2026-08-17
Highway construction and maintenance signs 14
DL-37 #71 · page 2
Road work ahead
A work zone begins ahead. Slow down and expect changed conditions.
Standard: W20-1
DL-37 FHWA design source · verified 2026-08-17
DL-37 #72 · page 2
Road closed ahead
The road is closed ahead. Follow the posted route.
Standard: W20-3
DL-37 FHWA design source · verified 2026-08-17
DL-37 #73 · page 2
No shoulder
There is no usable shoulder ahead.
Standard: W8-23
DL-37 FHWA design source · verified 2026-08-17
DL-37 #74 · page 2
One lane road ahead
Traffic ahead is reduced to one shared or controlled lane.
Standard: W20-4
DL-37 FHWA design source · verified 2026-08-17
DL-37 #75 · page 2
Lane closed
A lane is closed ahead. Merge as directed.
Standard: W20-5
DL-37 FHWA design source · verified 2026-08-17
DL-37 #76 · page 2
Loose gravel
Loose stones can reduce traction and be thrown by tires.
Standard: W8-7
DL-37 FHWA design source · verified 2026-08-17
DL-37 #77 · page 2
Shoulder work ahead
Workers or equipment may occupy the shoulder.
Standard: W21-5
DL-37 FHWA design source · verified 2026-08-17
DL-37 #78 · page 2
Workers
Workers are on or near the roadway. Slow down and follow directions.
Standard: W21-1
DL-37 FHWA design source · verified 2026-08-17
DL-37 #79 · page 2
Ramp closed on posted schedule
The ramp is closed during the dates and times shown.
California chart-specific layout
DL-37 · verified 2026-08-17
DL-37 #80 · page 2
Flagger ahead
A flagger controls traffic ahead. Be ready to stop and obey directions.
Standard: W20-7a
DL-37 FHWA design source · verified 2026-08-17
DL-37 #81 · page 2
Slow-moving vehicle emblem
A vehicle displaying this emblem normally travels 25 mph or less.
Standard: W21-4
DL-37 FHWA design source · verified 2026-08-17
DL-37 #82 · page 2
Use next exit
Leave the roadway at the next exit as directed by the temporary traffic-control plan.
California chart-specific layout
DL-37 · verified 2026-08-17
DL-37 #83 · page 2
Road work next 5 miles
Work-zone conditions continue for the displayed distance.
Standard: G20-1
DL-37 FHWA design source · verified 2026-08-17
DL-37 #84 · page 2
Detour
Follow the arrow along the temporary alternate route.
Standard: M4-10
DL-37 FHWA design source · verified 2026-08-17
Guide signs 14
DL-37 #85 · page 2
Trolley station
Follow this guide sign to a light-rail or trolley station.
Standard: I3-8
DL-37 FHWA design source · verified 2026-08-17
DL-37 #86 · page 2
Airport
Follow this guide sign toward an airport.
Standard: I3-5
DL-37 FHWA design source · verified 2026-08-17
DL-37 #87 · page 2
Route and direction assembly
The route shield, cardinal directions, and arrow show which way to follow the route.
Standard: M1-5 / M3 / M6
DL-37 FHWA design source · verified 2026-08-17
DL-37 #88 · page 2
Carpool lane entrance
The arrow marks an entrance to a preferential carpool lane.
California chart-specific layout
DL-37 · verified 2026-08-17
DL-37 #89 · page 2
Exit
The arrow identifies the direction of an exit.
Standard: E4-1
DL-37 FHWA design source · verified 2026-08-17
DL-37 #90 · page 2
Bike route
The roadway is part of a designated bicycle route.
Standard: D11-1
DL-37 FHWA design source · verified 2026-08-17
DL-37 #91 · page 2
Divided road ahead
A divided-road condition is the displayed distance ahead.
California chart-specific layout
DL-37 · verified 2026-08-17
DL-37 #92 · page 2
Park and ride
A park-and-ride facility is available in the indicated direction.
Standard: D4-2
DL-37 FHWA design source · verified 2026-08-17
DL-37 #93 · page 2
Accessible facility
An accessible facility or space is available.
Standard: D9-6
DL-37 FHWA design source · verified 2026-08-17
DL-37 #94 · page 2
Telephone
A public or emergency telephone service is available.
Standard: D9-1
DL-37 FHWA design source · verified 2026-08-17
DL-37 #95 · page 2
Electric vehicle charging
An electric vehicle charging station is available.
Standard: D9-11b
DL-37 FHWA design source · verified 2026-08-17
DL-37 #96 · page 2
Emergency, rest-area, and next-services information
The stacked panels give emergency contact, rest-area distance, and distance to the next services.
Standard: D12-4 / D5-1 / D9-17P
DL-37 FHWA design source · verified 2026-08-17
DL-37 #97 · page 2
Hospital
A hospital is available in the indicated direction.
Standard: D9-2
DL-37 FHWA design source · verified 2026-08-17
DL-37 #98 · page 2
Camping
A campground is available in the indicated direction.
Standard: D9-3
DL-37 FHWA design source · verified 2026-08-17