Night-Before Checklist: Turns, Merging, and Passing

Quick checklist for turns, merging, and passing
Got your test tomorrow? Here is a fast way to lock in the rules that show up again and again: turning positions, turns on red, U-turns, freeway entry and exit, and passing restrictions. Read each rule, picture the scenario, and say the answer out loud. That is how you make it stick.
Turning positions
Rule: Get into the lane closest to the direction you want to go before you turn. Signal at least 100 feet before the turn—more than half a city block—so other drivers know what you are doing. Slow down before you turn, not during it.
How the test asks it: “You want to turn right at the next intersection. When should you signal?” The right answer is early—at least 100 feet ahead—not at the corner.
Worked scenario: You are on a three-lane road and need to turn left. The left lane is the correct choice because it is closest to your turn. Move into it early, signal, and check your mirrors and blind spot before you commit.
Turns on red
Rule: You may turn right on a red light after a full stop, unless a sign says no. You may turn left on red only when you are turning from a one-way street onto another one-way street, and only if there is no sign prohibiting it. In both cases, yield to pedestrians and to traffic that has a green light.
How the test asks it: “You are stopped at a red light and want to turn left. When is it legal?” Look for the one-way-to-one-way detail.
Worked scenario: You are on a one-way street and want to turn left onto another one-way street. A red light is showing, and no sign prohibits the turn. You stop, check both ways, yield to anyone with a green light, and turn only when it is safe.
U-turns
Rule: Signal and use the left turn lane or the far-left lane to make a U-turn. Look in all directions before and during the turn—traffic can appear in seconds. Do not make a U-turn in heavy traffic. If you cannot see clearly or the road is too narrow, skip it and find another way.
How the test asks it: “Where should you practice U-turns?” The answer points to a wide residential street with little or no traffic—not a busy road.
Worked scenario: You miss your destination on a quiet residential street. You signal, move to the far-left lane, check for oncoming traffic and pedestrians, and make the U-turn only when the road is clear.
Freeway entry and exit
Rule: On the on-ramp, be in the proper lane and get up to or near the speed of traffic. Merge when it is safe—do not stop unless you absolutely have to. Use your mirrors and turn signals, and turn your head quickly to check your blind spot before merging. Pick a gap large enough for your vehicle. When exiting, signal early and adjust your speed as you leave the freeway.
How the test asks it: “What should you do when entering a freeway?” The correct choice is to merge at or near the speed of traffic when safe.
Worked scenario: You are on a long on-ramp with traffic moving fast. You build speed to match, signal, check your mirror and blind spot, and slide into a gap big enough for your car—no stopping at the end of the ramp unless traffic forces it.
Passing restrictions
Rule: You may pass on the right only when it is legal: on an open highway with two or more lanes going your direction, or when the driver ahead is turning left and you can pass safely on the right. Do not drive off the paved or main-traveled part of the road to pass. Never pass on a curve or hill where you cannot see ahead. And if someone is passing you, hold your lane and your speed—let them go.
How the test asks it: “When may you pass on the right?” Look for the two-lane-same-direction or left-turning-driver conditions.
Worked scenario: You are on a two-lane highway and the car ahead is signaling a left turn. You may pass on the right if there is room and it is safe. On a blind curve, the answer is always no—wait until you can see.
Self-check: 3 questions
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You want to turn left at the next intersection. When should you signal? A. At the corner B. At least 100 feet before the turn C. After you start turning
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When may you turn left on a red light? A. Never B. From a one-way street onto a one-way street, if no sign prohibits it C. Anytime, after stopping
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You are entering a freeway. What is the safest approach? A. Stop at the end of the ramp and wait for a big gap B. Merge at or near the speed of traffic when safe C. Merge slowly so others can see you
Answers: 1–B, 2–B, 3–B.
Key takeaways
- Signal at least 100 feet before a turn and turn from the lane closest to your direction.
- Right on red is allowed after a stop unless signed otherwise; left on red only from one-way to one-way.
- U-turns need a clear view and light traffic—signal and use the far-left lane.
- Freeway merging means matching speed and using mirrors plus a quick blind-spot check.
- Passing is restricted on curves, hills, and when you would leave the paved road.
When you are ready for more practice, come run through questions with Mia at lastdmv.com.
Frequently asked questions
How far before a turn should I signal in California?
Signal at least 100 feet before the turn—more than half a city block—so other drivers have time to react.
Can I turn left on a red light?
Only when turning from a one-way street onto another one-way street, and only if no sign prohibits it. You must still yield to pedestrians and traffic with a green light.
When can I pass on the right?
On an open highway with two or more lanes going your direction, or when the driver ahead is turning left and you can pass safely on the right.
What should I do if another vehicle is passing me?
Stay in your lane and maintain your speed so the other driver can complete the pass safely.