Motorists are being advised of planned roadworks taking place this week.
Regular schemes are continuing on sections of the A1 and A19 from Monday to Sunday.
A spokesperson for the Highways Agency said all improvement work is carried out with the aim of causing as little disruption as possible.
The work includes:-
• A1 Morpeth, Northumberland
Work continuing on the bypass. There will be various phases of daytime and night time lane and carriageway closures, with narrow lanes and a 40mph speed restriction in place.
From Monday to the end of April there will be a 24 hour lane closure north and southbound.
• A19 Silverlink, North Tyneside
The A19 southbound will be closed on Monday and Tuesday between 8pm and 6am for interchange improvement work.
There will also be a 24 hour 30mph speed restriction with narrow lanes.
• A1 junction 56 Barton to junction 51 Leeming Bar
There will also be narrow lanes and a 50mph speed restriction 24 hours a day.
From Monday to Friday there will be a southbound carriageway closure at junction 56 Barton. There will also be a carriageway closure northbound between junction 50 and Scotch Corner, and southbound between Scotch Corner and junction 51.
• A1 Blaydon Haugh Viaduct, junction 73 to junction 74, Newcastle
There is a 50mph limit in operation over Blaydon Haugh Viaduct due to the installation of temporary plates over defective viaduct joints. From Monday to Sunday there will be a carriageway closure northbound between 8pm and 6am. All these closures will take place with a diversion in place.