Warning of delays on A9 between Tomatin and Moy
Transport Scotland has warned of the potential for delays on the A9 near Inverness as work continues on a £3bn dualling project.
About seven weeks of ground investigations begin on 11 July between Tomatin and Moy.
Traffic management measures will be put in place and will include short sections of single file traffic controlled by lights.
Transport Scotland has apologised for any inconvenience the work causes.
The A9 is to be dual carriageway all the way from Inverness to Perth by 2025.
Last year, the project got under way with the start of the construction of five miles (8km) of new dual carriageway from Kincraig to Dalraddy, south of Aviemore.
Transport Scotland said the work starting on 11 July marked further progress.
A spokesman said: "This ground investigation is needed to get vital information on the existing ground conditions in the vicinity of the A9 carriageway between Tomatin and Moy as we progress our plans to dual this section of the route.
"We apologise for any inconvenience this will cause and would thank road users and local communities in advance for their patience over the next few weeks.
"The contractor will closely monitor the operation of the traffic management measures to ensure that delays are kept to a minimum."