Washington State Department Of Licensing (DOL) Practice Test

How should you determine a safe speed in busy urban traffic?

Drive at the posted speed limit regardless of conditions. Drive at a speed that allows you to stop within the distance you can see and react to hazards. Drive faster to reach destinations quickly. Drive as slowly as possible.

Correct Answer:

Drive at a speed that allows you to stop within the distance you can see and react to hazards.

Explanation:

In busy urban traffic, a safe speed is one that lets you stop within the distance you can see and react to hazards. That means accounting for your reaction time, how quickly your brakes can work, and current road conditions like wet pavement, gravel, or uneven surfaces. Hazards in this setting can appear suddenly—pedestrians stepping into the street, cyclists, cars braking suddenly, or a door opening on a parked car—so you need enough stopping distance to respond. If you drive at the posted limit but conditions require more space to stop, you’re not prepared for those surprises. Conversely, you don’t have to crawl along; you adjust your speed to the situation so traffic can move smoothly while you stay safe.

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