Overnight work on a North-east railway line is set to begin next week.
As part of the Aberdeen to Inverness improvement project, Network Rail will commence the work between Aberdeen and Inverurie.
Leaflets have been sent to residents living near a stretch of the line advising them about the preparation work.
The letter explains the upgrade work will see the single track become a double track.
A spokesman for ScotRail said: “The main works, which are due to begin later this year, include upgrading the single track railway to double track and bridge widening to accommodate the new double track.
“In preparation for the main work, some preparation activity will be carried out by Network Rail.
“This includes ground investigation to ensure the suitability and durability of the land, vegetation clearance along the route as well as delivery of materials by rail and road. A site compound will also be set up.”
Work is due to start next Saturday and includes a number of overnight operations.
That includes vegetation clearance from Saturday until March 1.
Drainage investigation, trackside auxiliary works and hand excavated trial holes will all take place overnight from 11pm until 7am.
A Transport Scotland spokeswoman said: “It was extremely promising to reach the first milestone in the first phase of the Aberdeen and Inverness rail enhancement project with the completion of Forres station.
“The Scottish Government’s significant investment in relocating the station, extending the platforms at Elgin, and in improving the signalling will pave the way for faster journeys and more frequent services for those who use this important line regularly.
“The delivery of these works to programme is a testimony to the hard work and commitment of all of those involved.
“Network Rail will now move forward with delivering the improvements between Aberdeen and Inverurie by the end of 2019.”