All lanes have now re-opened on the M1 southbound between J11A for the A5 and J11 for Dunstable following an accident earlier.
Two lanes were closed and traffic officers were at the scene dealing with the road traffic collision at around 5.45pm.
The lane closures were then cleared at around 6.45pm.
Motorists were being advised to approach the scene with caution, with delays in the area.