Across
- 2. travel regularly between home and work
- 3. people who travel to work every day
- 5. take someone somewhere and leave them there
- 7. a bus or train that goes back and forth between two places
- 8. too many cars causing traffic problems
- 11. share a car with other people
- 12. a bus or train you change to continue a journey
Down
- 1. dirty air caused by pollution
- 2. the activity of daily travel to work
- 4. unable to move
- 6. go somewhere to collect someone
- 9. underground train
- 10. very full of traffic