Safety

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Across
  1. 2. Can't work here without having this.
  2. 4. yours should always be moving and checking.
  3. 6. Can't block it.
  4. 8. rulers of the roads.
  5. 9. Who is best to call 911 in an emergency.
  6. 10. Needs to filled out completely.
  7. 11. That's the ticket.
Down
  1. 1. You use them only on open dark roads, not in fog or rain.
  2. 3. Taking charge of a situation before it erupts.
  3. 5. Can't leave base without them.
  4. 7. All railroad crossings.