A man who lost his teenage son in a car crash near Geelong is talking to Hawthorn footballers about the dangers of driving.

Norm Robinson's visit to the Hawks this afternoon was arranged after police nabbed star Lance Franklin doing 40kmh over the limit.

Franklin was also involved in a car crash last night.

Norm's teenage son Luke died when he lost control of his car at Lovely Banks two years ago. The grieving father has since appeared in a TAC commercial aimed at convincing young drivers to slow down.

Norm says Buddy approached him to speak with his team-mates:

or listen here

Picture: Norm Robinson featured in a TAC campaign to try and teach younger drivers the dangers of speeding