Motorists in Queensferry are being warned to expect delays on the B800 over the coming weeks.
Works begins on Monday and Tuesday to remove a traffic island, south of Ferrymuir roundabout, and realign the road.
Four way traffic lights will be in operation between 8pm and 6am both nights to manage traffic flow on the B800 Kirkliston Road and access to Ferrymuir.
Residents nearby have been warned to expect some noise disturbance.
The following week, the B800 (Kirkliston to Queensferry Road) will be fully closed to all traffic from 8pm to 6am, on Tuesday, October 28 to Thursday, October 30, to allow for the installation of bridge beams for the new Scotstoun flyover.
Diversions will be in place and motorists will have to travel via the A904 to Newton and Winchburgh.
And a week later, the A90, south of Echline Junction and the M9 Spur, will be closed to all traffic over two nights, between 8pm and 6am, starting on Sunday, November 2.
This road closure is also for the installation of bridge beams and gantries at the Scotstoun flyover.
There will be no restrictions for traffic on the B800 or A904/B924.