What do these signs mean? Choose the correct answers. 1. a. Traffic lights ahead b. Stop at the traffic lights c. No traffic lights on this road 2. a. Walking only b. No crossing the street c. No pedestrians. 3. a. Two-way traffic ahead b. One-way road c. Road narrows 4. a. No playing in the street b. No parking allowed c. No pedestrian traffic 5. a. Trash removal nearby b. workers on this road c. road works ahead 6. a. No entry for motor vehicles b. Give way to traffic c. Only cars and motorbikes allowed 7. a. School crossing ahead b. Pedestrians only c. Crosswalk ahead 8 a. No left turn b. U-turn is prohibited c. U-turn allowed 9. a. Slippery road b. Oil on road c. Road curves ahead 10. a. Stop here b. One lane traffic c. No entry 11. a. All vehicles turn back b. Roudabout ahead c. Turn left only 12. a. No right turn b. Go straight ahead on red c. No turn right on red