The Highways Agency is giving road users advance warning of a 36-hour weekend closure of the M1 while the old Catthorpe Viaduct is demolished.
The closure, scheduled for between midnight on Friday 6 January and noon on Sunday 8 January, will see the following sections of carriageway closed to the travelling public.
M1 northbound between junctions 19 and 20 (including the northbound entry slip road at junction 19) and M1 southbound between junctions 19 and 18 M6 southbound to M1 southbound (junction 19).
Access to the A14 will remain unaffected throughout, and clearly signed diversion routes will be in place for traffic affected by the closure.
There will be clearly signed diversion routes in place during the closure.
M1 northbound traffic will be diverted off the M1 at junction 19 onto the M6 to junction 2 and then north on the M69 to rejoin the M1 at junction 21.
M1 Southbound M1 southbound traffic will be signposted off the M1 at junction 21 onto the M69, A46, A45 and M45 to rejoin the M1 at Junction 17. The M1 southbound will remain open all the way down to junction 19 for A14 eastbound, M6 westbound and local traffic.
The Highways Agency will continue to keep public informed as the date of the closure approaches. Road users can keep up to date and register for updates on the scheme website at www.highways.gov.uk
Up to date travel information is also available by calling the Highways Agency Information Line on 0300 123 5000, or by following @HAtraffic_emids on Twitter.