This year also marks the 50th birthday of Tufty the squirrel, who was created by the Royal Society for the Prevention of Accidents to promote the road safety message.
Longest-serving
Fact File
Road safety facts
There are 30,000 lollipop people
In 2001, they were given permission to help adults cross the road too
Dave Prowse - who played Darth Vader in the early Star Wars films - used to be in road safety ads
The UK's longest-serving lollipop lady is thought to be Eunice Robinson from Bradford, who's been doing the job for 41 years.
"I love meeting the children. It's rewarding to know that I've helped generations of the same families to cross the road," she said.
"This is a fantastic job and I would highly recommend it to anyone."
Hear story 
Watch Ellie Crisell's report
Do we still need lollipop people?
Quiz: Lollipop people
