Teenage driver and passenger injured in M1 crash
The man was the passenger in a VW Golf which hit the centre reservation on the M1 this morning.
The driver, also a 19-year-old man, suffered injuries police said were not thought to be life-threatening.
No other vehicles were involved in the incident between junction 37 and 38 at 12.48am.
Officers from the Road Policing Group are now appealing for anyone who may have witnessed the collision, has dashcam footage or saw the car prior to the incident to get in touch.
You can pass information to police via the online live chat, online portal or by calling 101, quoting incident number 28 of December 14.