When entering an interstate highway, drivers should:
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Check for vehicles and slow down to 25 MPH before merging with the flow of traffic.
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Wait for an opening in traffic on the entrance ramp.
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Come to a complete stop, check for cars and enter when safe to do so.
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Adjust speed to meet a traffic gap, then merge at a safe speed.
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Explanation
When entering an interstate highway, you should adjust your speed to meet a traffic gap and then merge at a safe speed. The acceleration lane provided on highway ramps allows you to synchronize with the flow of traffic. Use this lane to match the speed of other vehicles before merging into the main traffic stream. Avoid coming to a complete stop at the end of the ramp, as it hinders your ability to reach the necessary speed for a smooth merge.
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