Put the elements into the gaps

• police officer
• crossing zebra
• cycle lanes
• traffic lights
• roundabout
• ambulance
• signposts

1. A
   [ ]
   arrived at the place of the accident.
2. It's important to use the
   [ ]
   to cross the road safely.
3. If you ride a bike, you should use
   [ ].
4. Sets of lights that control the movement of cars, buses and people are called
   [ ].
5. The circular construction where roads meet is a
   [ ].
6. When an
   [ ]
   has its lights on, that means it's taking someone to the hospital.
7. There were no
   [ ],
   and the tourists got lost.