Moves are under way to replace ageing High-Speed Trains fleet operating on InterCity routes between Inverness, Glasgow, Edinburgh and Aberdeen.
Roadworks lasting up to three weeks are due to get under way at the start of next week at the busy A9/A836 Toll junction in Thurso.
Delayed average speed cameras intended to be used during the summer to catch speeding North Coast 500 motorists are finally going live.
The second phase of A9 resurfacing works is set to start on September 8, with temporary lane closures.
The return of temporarily axed ScotRail services on the Far North and Kyle lines has been welcomed by a local MSP.
Maree Todd MSP has contacted Transport Scotland to highlight concerns raised by Councillor Matthew Reiss and to ask about plans for any improvements.
A fleet of electric vehicles has set off from Inverness on a 600-mile challenge that will take in swathes of the North Coast 500.
Several mothballed rail journeys on the Far North and Kyle lines will be reintroduced from next week - bringing relief to fed-up train passengers.
Weather and staff shortages have sparked the cancellation of several rail services in the north on Thursday.
An “extensive” diesel spillage has been reported in the Thurso area this afternoon, affecting roads as far away as Dounreay and beyond.