On a freeway, you should look farther ahead than you would on a city street:

On the freeway, be ready for changes in traffic conditions. Watch for signals from other drivers. Expect merging vehicles at on-ramps and interchanges and be prepared for rapid changes in road conditions and traffic flow.

• In order to see potential hazards early.
• Because it takes a quarter of a mile to stop your vehicle completely.
• Because it helps you keep up with traffic.