Drivers are being warned of possible disruption on the A9 tonight as roadworks take place in Perthshire.
Two-way traffic signals will be in place between 8.30pm and 6am.
A statement from Transport Scotland said: "This traffic management is required to carry out emergency surface repairs to the A9 carriageway north of Luncarty, as a result of recent low temperatures.
"Should adverse weather prevent these works taking place, they will be rescheduled for the next available night.
"Road users are being advised to allow additional time for their journey and take care on approach."