California Vehicle Code Section 21658 - Laned Roadways
Whenever any roadway has been divided into two or more
clearly marked lanes for traffic in one direction, the following
rules apply:
(a) A vehicle shall be driven as nearly as practical entirely
within a single lane and shall not be moved from the lane until such
movement can be made with reasonable safety.
(b) Official signs may be erected directing slow-moving traffic to
use a designated lane or allocating specified lanes to traffic
moving in the same direction, and drivers of vehicles shall obey the
directions of the traffic device.
Your Excuse
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Q: Before you made your lane change, did you do all of the followings ?
- Turn on blinker light
- Check blind spot
- Check all needed mirrors
A: Yes (that's good) or No
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Q: After you made a lane change, was there any cars braked hard to avoid rear-ended your car ?
A: Yes or No (that's good)
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Q: What did the Officer say about this ?
A: You almost hit that van in front of you!
