Railway chiefs have announced vital works will take place as part of a programme of improvements.
Network Rail will be working from Friday until April 23 to deliver upgrades on the railway between Kintore and Inverurie as part of the Aberdeen-Inverness Improvement Project.
Engineers will be extending bridges at a range of locations on the line to create the space needed to add a second track between Aberdeen and Inverurie.
Work will also be carried out to remove redundant structures on the railway and enhance undertrack drainage.
The line will be closed between Dyce and Inverurie over the Easter holiday weekend with a bus replacement service operating between the two stations.
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A further phase of work will also take place on April 27 and April 28 with buses again replacing trains between Dyce and Inverurie.
Funded by the Scottish Government, the Aberdeen-Inverness Improvement Project will increase capacity on the route between the two cities.
Network Rail engineers will also be working from May to August to complete the multi- million-pound upgrade to the track and signalling between Aberdeen and Inverurie.