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Obeying Traffic Signals and Law Enforcement
traffic signals Traffic signals ensure the orderly flow of traffic. It is mandatory to obey all traffic signals. However, if a law enforcement officer is present and directing traffic, their instructions supersede any traffic signal or sign. You must follow the officer's directions, even if they contradict the signal.
Key Rules
- ✓Drivers must obey all traffic signals, such as red, yellow, and green lights.
- ✓You must always obey the directions of a law enforcement officer directing traffic, even if it goes against a traffic signal or sign.
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Actions at a Steady Red Light
traffic signals A steady red light means you must come to a complete stop before the crosswalk or intersection. In Texas, after stopping, you may turn right unless a sign prohibits it. You may also turn left from a one-way street onto another one-way street unless prohibited. You must always yield to pedestrians and other traffic.
Key Rules
- ✓At a steady red light, you must come to a complete stop before the crosswalk or intersection.
- ✓After a complete stop, you may turn right on red unless a sign specifically prohibits it.
- ✓You may turn left on red only when turning from a one-way street onto another one-way street.
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Responding to Flashing Traffic Signals
traffic signals Flashing signals are used to draw attention to specific rules or hazards. A flashing red light has the same meaning as a stop sign: you must stop completely and proceed only when it is safe. A flashing yellow light is a warning to slow down and proceed with caution, being alert for cross-traffic.
Key Rules
- ✓A flashing red light must be treated as a stop sign; come to a complete stop and proceed when safe.
- ✓A flashing yellow light means to slow down and proceed with caution.
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Meaning of Yellow Lights and Arrows
turning rules A steady yellow light warns that the signal is about to change to red. You must stop before entering the intersection if you can do so safely. A flashing yellow arrow for a left turn indicates that you may turn left but must first yield the right-of-way to oncoming traffic, as the turn is not protected.
Key Rules
- ✓A steady yellow light means you must stop if you can do so safely before entering the intersection.
- ✓A flashing yellow arrow allows a left turn, but you must yield to all oncoming traffic.
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Proceeding on a Green Light or Arrow
traffic signals A steady green light means you may proceed through the intersection if it is safe. However, when turning left on a solid green light, you must yield to all oncoming traffic. A green arrow indicates a 'protected' turn, meaning you have the right-of-way to turn in the direction of the arrow while oncoming traffic is stopped.
Key Rules
- ✓When turning left on a steady green light, you must yield the right-of-way to oncoming traffic.
- ✓A green arrow means you have a protected turn and can proceed carefully in the arrow's direction after yielding to vehicles and pedestrians already in the intersection.
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Identifying Traffic Signs by Color
traffic signs The color of a traffic sign provides crucial information about its meaning. Recognizing these colors is a key part of the Texas driving test. Red is used for stop, yield, or prohibitions. Yellow indicates a general warning. Orange is exclusively for construction and maintenance warnings.
Key Rules
- ✓Red signs are used for stopping, yielding, or indicating something is prohibited.
- ✓Yellow signs serve as general warnings for hazards or road conditions ahead.
- ✓Orange signs always indicate a construction or maintenance work zone.
- ✓Green signs provide direction guidance, blue signs indicate motorist services, and brown signs point to recreational areas.
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Recognizing Traffic Signs by Shape
traffic signs The shape of a traffic sign can tell you its meaning from a distance, even before you can read it. The Texas exam frequently tests knowledge of sign shapes. An octagon is only for stop signs, and a downward-pointing triangle is only for yield signs. A diamond shape is always a warning sign.
Key Rules
- ✓An octagon shape is used exclusively for stop signs.
- ✓An equilateral triangle shape is used exclusively for yield signs.
- ✓A diamond shape is used exclusively to warn of existing or possible hazards.
- ✓A pentagon shape indicates a school advance or school crossing sign.
- ✓A round shape is used for railroad advance warning signs.
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Understanding Warning Signs
traffic signs Warning signs, typically yellow and diamond-shaped, alert you to potential hazards or changes in road conditions ahead. Examples include signs for sharp curves, intersections, slippery roads, or merging traffic. When you see a warning sign, you should pay close attention and reduce your speed if necessary.
Key Rules
- ✓Warning signs are almost always diamond-shaped and yellow with black lettering or symbols.
- ✓These signs alert you to conditions ahead, such as a sharp turn, crossroad, or slippery surface.
- ✓Upon seeing a warning sign, you should slow down and prepare for the condition indicated.
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Obeying Regulatory Signs
traffic signs Regulatory signs inform you of traffic laws or regulations and are legally enforceable. They are typically rectangular (black and white) or red and white. Examples include Speed Limit signs, 'Do Not Enter' signs, and 'No Passing' signs. Disobeying a regulatory sign is a traffic violation.
Key Rules
- ✓A STOP sign (octagon) requires a complete stop before the crosswalk or intersection.
- ✓A YIELD sign (triangle) requires you to slow down and give the right-of-way to traffic on the intersecting road.
- ✓A SPEED LIMIT sign (vertical rectangle) indicates the maximum legal speed you can travel under ideal conditions.
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Rules for School Zones
school zones A pentagon-shaped sign indicates you are approaching a school zone. Special speed limits are often in effect during specific hours or when yellow lights on the sign are flashing. Drivers must be extremely cautious and watch for children. Using a wireless communication device in a school zone is prohibited.
Key Rules
- ✓A pentagon-shaped sign warns of a school zone ahead.
- ✓You must obey the posted school zone speed limit when the yellow lights are flashing or during the times indicated on the sign.
- ✓It is illegal to use a handheld cell phone or other wireless communication device while driving in an active school zone.
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Approaching and Crossing Railroad Tracks
intersections A round, yellow sign with an 'RR' is an advance warning of a railroad crossing. At the crossing itself, a crossbuck sign marks the location of the tracks. You must stop between 15 and 50 feet from the nearest rail when warning lights are flashing, a gate is lowered, or a train is approaching. Never try to beat a train.
Key Rules
- ✓A round yellow sign is the advance warning for a railroad crossing.
- ✓A crossbuck sign is posted at the railroad crossing itself.
- ✓You must stop no closer than 15 feet and no farther than 50 feet from the nearest rail when a train is approaching.
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Interpreting Pavement Markings
lane rules Pavement markings regulate traffic and provide warnings. Yellow lines separate traffic moving in opposite directions, while white lines separate traffic moving in the same direction. A solid line indicates that passing or lane changing is prohibited, whereas a broken line permits it when safe.
Key Rules
- ✓Yellow lines separate traffic flowing in opposite directions.
- ✓White lines separate lanes of traffic flowing in the same direction.
- ✓A solid yellow line on your side of the road marks a no-passing zone.
- ✓A broken white line indicates that you may change lanes when it is safe to do so.
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Driving Safely in Construction Work Zones
work zones Work zones are indicated by orange signs, barrels, cones, and other devices. Drivers must slow down, be prepared to stop, and follow the directions of signs or flag persons. In Texas, traffic fines are doubled for violations committed in a construction zone where workers are present.
Key Rules
- ✓Orange is the standard color for all signs, barricades, and channelizing devices in work zones.
- ✓You must obey all instructions given by a flag person in a work zone.
- ✓Traffic fines are doubled for moving violations in an active work zone where workers are present.
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Using a Center Left-Turn Lane
turning rules The center lane bordered by a solid yellow line on the outside and a broken yellow line on the inside is exclusively for making left turns. You should not enter this lane too far in advance of your turn. It must never be used for passing other vehicles or as a through-traffic lane.
Key Rules
- ✓The center lane is for making left turns only and may be used by traffic from either direction.
- ✓This lane should never be used for passing or as a regular driving lane.
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Understanding Work Zone Channelizing Devices
work zones In work zones, devices like barricades and vertical panels use diagonal stripes to guide drivers. The direction of the stripes indicates which way traffic should move. It is important to interpret these correctly to navigate the work zone safely.
Key Rules
- ✓Diagonal stripes on a barricade sloping downward to the right mean the driver should bear to the right.
- ✓Diagonal stripes on a barricade sloping downward to the left mean the driver should bear to the left.