More road closures are set to affect many commuters from Swindon.
Two full weeks of overnight closures at the A417 are now underway as part of the Missing Link
The busy road will be closed overnight from the Air Balloon roundabout to the A46 Brockworth junction.
Closures will be in place between 9pm and 6am from Monday, April 8 until Monday, April 22, including weekends.
A diversion route will be in place via the A46, A40, A435 to A436.
A National Highways spokesperson said: "This month we’re starting offline construction away from the existing A417 carriageway, excavating the ground to prepare for the start of putting in the foundations for new bridges.
"We’ll be closing the A417 overnight from the Air Balloon roundabout to the A46 Brockworth junction, starting from Monday 8 April for two full weeks. Closures will be weeknights and weekends and will allow us to carry out earth removal at several locations, lay new surfacing and paint road markings."
National Highways' is spending £460 million scheme to build a new section of road from the Air Balloon roundabout near Birdlip.
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