Programme Index

Discover 11,128,835 listings and 278,124 playable programmes from the BBC

Impact! A Horizon Guide to Car Crashes

Duration: 1 hour

on BBC Four

Dallas Campbell looks back over decades of Horizon and BBC archive to chart the key scientific breakthroughs that have transformed road safety and saved millions of lives. Show more

BBC Four

About BBC Four

BBC Four reflects arts, music and culture with an ambitious range of intellectually and culturally enriching programmes, taking an expert and in-depth approach to its subjects.