What is a taxi cab roof-sign?

Choose an answer to test yourself:

1. AA box in which the taxi meter is placed, and which must be lighted while the taxi is driving.
2. BA device that registers the details of the bus ride on a disc.
3. CA box used for storing a first aid bag.
4. DA device installed on the roof of a taxi cab, which can be lighted, and is used for identification purposes.

Topic: Traffic Rules · עברית