Monday morning queues on M1 southbound following shunt near Northampton
One lane is closed at junction 15 with traffic crawling
Drivers are being warned to expect delays on the M1 southbound all through rush-hour on Monday (August 2) following a shunt near Northampton.
Highways England says lane one is closed just before junction 15 with reports of a van involved in the smash.
A spokesman said "Traffic Officers and East Midlands Ambulance paramedics are currently at scene, Northamptonshire Fire & Rescue are on their way.
"Congestion is building on the approach to the incident."
Queues were back to junction 16 by 7.10am with warnings of congestion until 9am.