The Commercial Drivers License (CDL) Study Guide


How Far Ahead to Look.

Most good drivers look 12 to 15 seconds ahead. That means looking ahead the distance you will travel in 12 to 15 seconds. At lower speeds, thatís about one block. At highway speeds itís about a quarter of a mile.

If youíre not looking that far ahead, you may have to stop too quickly or make quick lane changes. Looking 12 to 15 seconds ahead doesnít mean not paying attention to things that are closer.

Good drivers shift their attention back and forth, near and far.Look for Traffic. Look for vehicles coming onto the highway or into your lane or turning.

Watch for brakelights from slowing vehicles. By seeing these things far enough ahead, you can change your speed or change lanes if necessary to avoid a problem.



You can click on the safety tips for more information.

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This site is meant to enhance your learning of the Rules of the Road and is not intended to replace the Drivers Manual supplied by the Motor Vehicle Department of your State. Send mail to web master with questions or comments about this web site.

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