In the Shadows—Series 5

3/8 The collision team investigate a late-night crash on an unlit dual carriageway.

The Last Ride—Series 5

2/8 A cyclist dies just nine minutes into a time trial on a dual carriageway.

1/8 A road worker is hit by a modified car during a police pursuit.

4/4 Two young children fight for their lives after their family car is hit by a van on the M4.

3/4 A motorcyclist dies in a crash at a busy city junction.

2/4 An 18-year-old man has died in a head-on crash on a country road.

1/4 A man is found dead on a dark mountain road, and a driver has fled the scene.

4/4 A cyclist fights for his life after a crash with an articulated lorry.

3/4 Desperate 999 calls flood in to report a car travelling the wrong way on the motorway.

2/4 Police are suspicious of a teenaged driver鈥檚 account of an accident.