Traffic Lights and Emergency Lights
- Episode aired Apr 18, 2018
- TV-G
- 14m
In today's episode, Maddie is looking at useful lights. She shows us how traffic lights work so that vehicles can safely travel through a road junction.In today's episode, Maddie is looking at useful lights. She shows us how traffic lights work so that vehicles can safely travel through a road junction.In today's episode, Maddie is looking at useful lights. She shows us how traffic lights work so that vehicles can safely travel through a road junction.