Drivers are being warned by West Lothian Council of upcoming night closures at Craigton Railway Bridge.
Network Rail are closing the road from a 50m point either side on the bridge on the C15 to facilitate new bridge parapets.
The road will close on Saturday, April 30, at 11pm and open Sunday, May 1, at 5am.
It will also be closed overnight from Saturday May 7, until Thursday May 19, with the exception of May 13.
A diversion will be in place via the B9080, the B8046 and the A904.
Buses and pedestrians will not be affected. For more information visit westlothian.gov.uk/road-closures.