Across
- 4. access to merge on highway
- 5. help you get off the highway
- 8. drivers who fail to recognize thier own fatigue
Down
- 1. travel lane parallel to accerlaration lane to join highway traffic
- 2. enter and leave only at designated interchanges
- 3. could have traffic lights, intersection, and driveways
- 6. loop around the city
- 7. branch of roads that lead into city