Why is the M1 closed in Northamptonshire?

The M1 is closed in Northamptonshire because an overturned van caused a significant oil spillage on the northbound carriageway between junction 16 and junction 18.

What are the diversion routes for the M1 closure?

Diversions for the M1 closure are in place via the A45, A5, and A428.

Is the M1 fully open after the oil spill?

One lane has reopened to allow traffic to pass, but the M1 remains closed to new vehicles due to the ongoing work to clear a significant oil spillage.

Home / Disasters and Accidents / M1 Closed: Van Overturn Causes Major Oil Spill

M1 Closed: Van Overturn Causes Major Oil Spill

28 Feb

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Summary

Northbound M1 shut between junctions 16 and 18.
Significant oil spillage reported following van overturn.
Diversions are in place via A45, A5, and A428.

M1 Closed: Van Overturn Causes Major Oil Spill

The northbound carriageway of the M1 in Northamptonshire experienced a significant closure as of 2026-02-28T12:17:47+00:00. An overturned van led to a substantial oil spillage, causing the road to be shut between junction 16 for Northampton and junction 18 for Rugby.

Emergency services, including Northamptonshire Police, responded to the scene. National Highways confirmed the ongoing work to clear the considerable oil slick. Although one lane has since been reopened to facilitate traffic movement, the section of the motorway remains closed to any new vehicles.

Motorists have been advised to avoid the affected area. Official diversions are guiding traffic via the A45, A5, and A428, with comprehensive details available on the National Highways website.

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