PDF chapter test TRY NOW

Fill in the blanks:
Answer variants:
behind
Green arrow
traffic signal
1. ______ means that one can go in the direction shown by the arrow.
Ans:
  
2. A __________l is used as an instructing device which has some rules associated with them.
Ans:
  
3. In Traffic signals, Red means Stop- That means one should wait _____ the stop line.
Ans: