Warning Signs
Background color: yellow
Location: sharp turns or ramps
The 270-degree Loop sign warns drivers about a curve with a sharp change in direction, typically used on cloverleaf interchange ramps. It helps drivers anticipate the need to slow down significantly to navigate the turn safely.
The loop shape indicates that the road turns sharply back in the opposite direction. Keep an eye on the advisory speed plaque to navigate safely.
Warning signs
Background color: yellow
Location: at points where two roadways converge without requiring merging
The Added Lane sign indicates a location where two roadways converge, forming an additional lane, and drivers are not required to merge. This sign is placed before the convergence point to notify drivers in advance about the lane changes. It is often used at freeway exits or where entrance ramps meet main roads.
The two arrows on the sign show that each roadway keeps its own lane. Remember: no merging is required—just continue driving in your lane.
Warning Signs
Background color: yellow
Location: areas where cyclists might enter the road
The Bicycle Traffic Warning sign alerts drivers to areas where bicyclists may unexpectedly enter the roadway. It is often placed near intersections, paths, or areas with shared-use roadways.
The bicycle symbol on the sign helps you quickly identify that cyclists may enter the road. Be cautious, especially in areas with curves or limited visibility.
Warning Signs
Background color: yellow
Location: where highways transition into expressways
The CROSS TRAFFIC AHEAD sign warns drivers that they are entering a section where cross traffic may occur, such as when transitioning from a freeway to an expressway. This alerts motorists to the potential for vehicles crossing their path or merging at intersections ahead.
The diamond shape with 'CROSS TRAFFIC AHEAD' reminds you that vehicles may cross your path soon. Stay vigilant and prepare to slow down or stop as needed.
Warning Signs
Background color: yellow
Location: approaches to highways with a median or barrier
The Divided Highway sign is used on roads approaching a section where traffic flows in opposite directions are separated by a median or physical barrier. It alerts drivers to the divided highway to ensure they stay on the correct side of the divider.
The two arrows curving around the barrier remind you to stay on the correct side of the highway. Watch for the barrier and follow the flow of traffic in your direction.
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Warning Signs
Background color: yellow
Location: before flooded highway sections
The FLOODED sign alerts drivers of an area prone to flooding ahead. This sign ensures that drivers are prepared to slow down or reroute to avoid flooded areas. It helps prevent accidents and vehicle damage caused by sudden water on the roadway.
The bright yellow color grabs attention, signaling an unexpected road hazard. Always proceed with caution or find an alternative route when you encounter this sign.
Warning Signs
Background color: yellow
Location: in advance of freeway termination
The FREEWAY ENDS sign warns drivers that the freeway they are traveling on is about to end. It signals a transition to a lower-speed roadway, such as a conventional road or expressway, often requiring greater caution. In cases where the next section of freeway is incomplete, additional signage like ALL TRAFFIC MUST EXIT may be used.
This yellow diamond-shaped sign signals the end of fast-moving freeway travel. Drivers should prepare for slower traffic and possible changes in driving conditions ahead.
Warning Signs
Background color: yellow
Location: before railroad and light rail crossings
The Grade Crossing Advance Warning sign alerts drivers to an approaching railroad or light rail crossing. It is installed on roads ahead of all crossings, except those with active traffic control systems or crossings with tracks that are rarely used.
The yellow color is a warning, and the cross shape reminds you of a crossing.
Warning Signs
Background color: yellow
Location: in advance of steep downgrades where special caution is required
The Hill sign combined with a grade plaque warns drivers of a steep slope ahead. The displayed grade percentage informs drivers about the steepness, helping them adjust their driving accordingly by slowing down or changing to a lower gear. These signs are placed in locations where slopes are long, steep, or have curves, making it essential for road safety.
The truck symbol and percentage plaque remind drivers of the importance of reducing speed and using lower gears. If you see both signs, it means a serious downgrade is ahead—prepare to shift gears and drive cautiously.
Warning Signs
Background color: yellow
Location: before intersections on roads, paths, and bikeways
The Intersection Warning sign warns drivers of an upcoming intersection, where turning or entering traffic might be present. It helps ensure drivers anticipate the intersection ahead and adjust their speed. This sign is not typically used where intersections are controlled by STOP, YIELD, or traffic signals.
The cross shape on the sign helps you associate it with a road intersection. When you see this sign, reduce your speed and be prepared for potential cross traffic or turning vehicles.
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Warning Signs
Background color: yellow
Location: multi-lane roadways
The Lane Ends sign warns drivers of a reduction in the number of traffic lanes in the direction of travel. It is typically used on multi-lane roads to alert drivers to merge into the remaining lane. The sign helps ensure a safe and smooth traffic flow as drivers adjust to fewer lanes ahead.
The narrowing lines on the sign indicate that one lane is ending, and drivers need to merge into the adjacent lane. Pay attention to other vehicles and adjust speed accordingly to merge safely.
Warning Signs
Background color: yellow
Location: intersections
The Left Side Road sign warns drivers of an upcoming side road intersecting from the left. It alerts motorists to be prepared for entering traffic or the possibility of turning onto the side road.
Think of this sign as a 'T-intersection missing the right leg.' When you see it, slow down and be ready for traffic entering from the left.
Warning Signs
Background color: yellow
Location: before bridges or culverts with limited clearance
The NARROW BRIDGE sign warns drivers about an upcoming bridge or culvert with a width narrower than the approaching roadway. It alerts drivers to exercise caution, as passing may require coordination with oncoming vehicles.
Think of the bridge as a narrow point on the road. When you see this sign, prepare to slow down and check for oncoming traffic before entering the bridge.
Warning signs
Background color: yellow
Location: left side of the roadway at the beginning of no-passing zones
The NO PASSING ZONE sign marks the start of a zone where overtaking other vehicles is not allowed. It is installed on the left side of the road and indicates that drivers must remain in their lane until the zone ends, following any 'Do Not Pass' instructions or road markings.
The pennant shape looks like an arrow pointing to where the no-passing zone starts. Spotting this unique shape on the left side helps you quickly recognize where passing is restricted.
Warning Signs
Background color: yellow
Location: railroad grade crossings with two or more tracks
The Number of Tracks sign is used at railroad grade crossings with two or more tracks. It is placed below the Highway-Rail Grade Crossing Advance Warning sign and informs drivers of the number of tracks they must cross. This sign helps alert road users that additional trains might pass after the first train clears the crossing.
Pay attention to the number of tracks indicated. Even if one train has passed, another train could follow on a different track.
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Warning Signs
Background color: yellow
Location: turns or curves
The One-Direction Large Arrow sign indicates a change in horizontal alignment, such as a curve or a sharp turn, where it may supplement or replace Chevron Alignment signs. It helps drivers prepare for abrupt changes in the road layout by pointing left or right.
This sign points to the direction you must follow. Remember: follow the arrow in the indicated direction to avoid veering off course.
Warning Signs
Background color: yellow
Location: where paved roads transition to gravel or earth roads
The PAVEMENT ENDS sign warns drivers of a sudden change from a paved surface to a gravel or earth road surface. This alert helps drivers prepare for potentially rougher terrain, allowing them to slow down to maintain control and safety.
Think of the word 'ends' as a signal that smooth pavement is over, and the road surface will become rougher. Be sure to slow down to avoid losing control, especially on gravel or dirt roads.
Warning Signs
Background color: yellow
Location: at pedestrian crossings or shared-use paths
The Pedestrian Crossing sign alerts drivers to areas where pedestrians may cross the road, such as at marked crosswalks or intersections. It helps ensure safety by warning drivers to be ready to yield or stop for crossing pedestrians.
The walking figure on the sign indicates a crossing. When you see this sign, slow down and be ready to stop for pedestrians.
Warning Signs
Background color: yellow
Location: on two-lane roads with abrupt narrowing
The ROAD NARROWS sign warns drivers that the road ahead narrows, reducing the space available for vehicles traveling in both directions. On these sections, it may be impossible for two vehicles to pass side by side without slowing down. The sign helps drivers prepare for potential challenges in such areas, such as waiting for oncoming traffic to pass.
This sign alerts you to reduce speed and be ready to adjust your position on the road. Remember, oncoming traffic will have limited space, so proceed with caution.
Warning Signs
Background color: yellow
Location: in areas with uneven or deteriorated road surfaces
The ROUGH ROAD sign warns drivers about uneven or damaged road surfaces that may require slower speeds to maintain control. This sign is often used in construction zones or areas where the pavement condition is temporarily affected.
A rough road can reduce traction. Reduce your speed and avoid sudden movements to maintain control over the vehicle.
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Warning Signs
Background Color: yellow
Location: before an intersection or crossing where students may cross the road
This sign alerts drivers about an approaching area where schoolchildren may cross the road. The School Advance Crossing sign with the AHEAD plaque warns drivers about a nearby pedestrian crossing close to a school. It helps drivers prepare to slow down and enhances safety in the crossing area.
The shape of the sign resembles a house, symbolizing safety and a school environment. Remember, when you see this sign, be prepared for children crossing the road.
Warning signs
Background color: yellow
Location: in advance of school bus turnaround points not visible to approaching traffic
The SCHOOL BUS TURN AHEAD sign warns drivers about an upcoming point where a school bus will make a turnaround that might not be easily visible. It helps alert drivers to the presence of slow-moving vehicles and ensures they remain cautious while approaching these areas.
Think of it as an alert to slow down and watch for children or buses making turns in the area.
Warning Signs
Background color: yellow
Location: before intersections with traffic signals
The Signal Ahead sign warns drivers that they are approaching an intersection controlled by a traffic signal, which might not yet be visible. It provides advanced notice, giving drivers enough time to prepare to stop if needed.
This sign shows a traffic light symbol, reminding drivers to anticipate a traffic signal ahead.
Warning Signs
Background color: yellow
Location: in areas prone to rock or landslides
The SLIDE AREA sign warns drivers of potential landslide zones along the roadway. This sign is placed in advance of areas where falling rocks or debris might obstruct the road, alerting drivers to exercise caution.
The sign alerts you to be on the lookout for debris or rocks on the road. Keep a safe distance and drive cautiously through these areas.
Warning Signs
Background color: yellow
Location: slippery roads
The sign warns that the road may be slippery when wet. It is typically placed before the start of a slippery section of the road, alerting drivers to reduce speed and proceed with caution. Additional signs may be placed along the affected area to keep drivers informed of the continued hazard.
Focus on the wiggling car icon. The curving lines under the car resemble skid marks, symbolizing what happens when roads are slippery. The image serves as a clear reminder to slow down and drive carefully, especially when it’s raining or the road is wet, to avoid "slipping" like the car in the symbol.
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Warning Signs
Background color: yellow
Location: along roadways with unstable or soft shoulders
The Soft Shoulder sign warns drivers that the shoulder beside the roadway is soft or unstable, making it unsafe for vehicles to pull off or drive on it. Drivers are advised to stay on the paved road surface to avoid potential accidents.
The phrase 'Soft Shoulder' hints that the ground beside the road is not firm. Imagine the shoulder as soft ground, unsuitable for driving, similar to a surface that might cause a vehicle to get stuck.
Warning Signs
Background color: yellow
Location: intersections or traffic signal approaches
The Signal/Stop Ahead Arrow sign warns drivers about an upcoming signal or stop, especially when traditional warning signs have proven insufficient. It is placed on the left side of the road to ensure visibility and improve driver response.
This sign includes both a direction and a warning. Follow the arrow and prepare to stop or slow down as needed, especially when traffic lights or stop signs are ahead.
Warning Signs
Background color: yellow
Location: approaches to primary regulatory signs
The Stop Ahead sign warns drivers of an upcoming STOP sign when the sign itself is not visible from a sufficient distance to allow the vehicle to stop safely. This sign are required at railroad crossings and intersections where visibility conditions prevent early detection of the main regulatory sign.
This sign reminds you to slow down and prepare to stop or yield. Watch for the main sign ahead and comply with its instructions in time.
Warning signs
Background color: yellow
Location: on highways and expressways before a lane merges or drops
The THRU TRAFFIC MERGE LEFT sign informs drivers that the right lane will end, and through traffic must merge into the adjacent lane. This sign helps reduce confusion by notifying drivers early of the need to merge. It is frequently used on expressways, highways, or at exits without acceleration lanes.
The bold, all-caps text emphasizes merging, and the directional indication helps you prepare to shift lanes smoothly. If you see this sign, be ready to merge early and watch for vehicles in the adjacent lane.
Warning Signs
Background color: yellow
Location: curves or turns
The Truck Rollover sign warns drivers of vehicles with a high center of gravity, such as trucks, tankers, or RVs, about the risk of rollovers on a curve or turn. It is placed in areas with past rollover incidents, high truck volumes, or a dangerous speed differential for such vehicles.
The curved arrow shows the direction of the road, while the truck tilts in the opposite direction. If you drive a vehicle with a high center of gravity, slow down and follow the advisory speed.
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