![]() ![]() You may encounter such signs on well-traveled stretches of road which become dangerously slick with chemical residue, or on rural roads where deep potholes could throw your vehicle off course. Warning signs are often posted to prepare drivers for a change in the road surface that could lead them to lose control of their vehicles. When you see one of these signs, be sure to reduce your speed in preparation to yield or stop when you reach the control device. If you come across a warning sign, it is probably because the layout of the road or some other obstacle makes it hard for drivers to see the traffic control device as they approach it. Of course, there will not be a control device warning sign before every set of traffic lights you encounter. This type of warning sign is posted to inform drivers that a traffic control device is up ahead. This is usually because attempting to pass another vehicle would be extremely dangerous, as the roadway is too narrow, visibility is poor or other hazards are present. These yellow and black signs mark the beginning of a stretch of road where passing is not permitted. “NO PASSING ZONE” signs break the usual warning sign mold, as they are shaped like a pennant or tapering flag, rather than a diamond. Like “merge ahead” signs, signs indicating that a lane will close may be printed with text or a symbol. If you are in a different lane, be prepared that other motorists may be seeking to enter your lane as the lane closure approaches. Merge into a new lane at the earliest, safe opportunity when occupying the lane that is about to close. These warning signs tell drivers that a lane is set to close further along the road and that all traffic must merge into a different lane. On an expressway, you should move over to a lane further left to make room – if possible. Increase your following distance to make space for other vehicles prior to the merge when you see these warning signs. This is often the case on limited-access highways, when merge ahead signs are positioned to warn motorists that new vehicles will be merging onto the highway via an entrance ramp. These signs sometimes depict a smaller road joining onto a larger road at roughly a 45-degree angle. “Merge ahead” signs indicate that two lanes of traffic will merge into one, on the roadway up ahead. ![]() When you reach the junction, you must yield to cross traffic before joining the new road. T intersection signsĪ T-shaped symbol on an intersection warning sign indicates that the road you are traveling on is joining another road and coming to an end. When you see an intersection warning sign, reduce your speed and prepare to yield the right-of-way to cross traffic. If one of the roadways on the sign is busy or well-traveled, it may be represented with a thicker black line. The black, intersecting road symbols on the sign should roughly reflect the design of the upcoming intersection. Intersection warning signs are often placed ahead of junctions where two or more roadways meet. Chevron signs are often made with reflective material, making it easier to navigate tight bends in the road when driving at night. They are positioned on the side of the road prior to the curve, indicating the direction in which the roadway bends. Chevron signsĪlso used on curves stretches of roadway, these signs are yellow rectangles with black chevrons. This informs drivers of how fast they should be traveling to move through the bend in the road safely. For example, a curve warning sign on a 50 mph road may be accompanied by a 30 mph advisory speed limit sign. They indicate an ideal speed at which to negotiate hazardous road conditions. Advisory speed signsĪdvisory speed signs are often posted above or below other signs. ![]() Reduce your speed and be prepared to alter your lane position when you encounter a turn or curve warning sign. The arrow on the sign will indicate in which direction the road curves up ahead. Yellow warning signs featuring curved or winding arrows are often placed prior to unexpected or sharp curves in the roadway. Look out for warning signs and be prepared to alter the way you are driving accordingly. Most warning signs are diamond-shaped with yellow backgrounds and are printed with black text or symbols. ![]()
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