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Roads Explained
A closer look at road layouts, markings, intersections, and the way traffic moves.
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Why Does Traffic Stop When There Is No Crash?
Read story: Why Does Traffic Stop When There Is No Crash?A slowdown can outlast its cause. Look at bottlenecks, traffic waves, and why an apparently clear road can still have a queue.
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What Road Markings Can Tell You Before the Next Sign
Read story: What Road Markings Can Tell You Before the Next SignColors, line patterns, arrows, and stopping points work together. Learn how to read their context and find the rules for your state.
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Roundabouts Explained: Reading the Signs Before You Enter
Read story: Roundabouts Explained: Reading the Signs Before You EnterA roundabout becomes easier to understand when you read its approach, choose the appropriate lane, and account for everyone using it.