Network Rail say trains have began running out of Euston with an amended timetable in place following a line side fire near Wembley.
Passengers are advised to still check before they travel with their train operator or visit www.nationalrail.com.
Drivers are set to face disruption when a £415,000 road improvement scheme gets underway near Dumfries.
Scotland TranServ is resurfacing a stretch of carriageway on the A5701 from Shieldhill to Blairhall Road - located around five miles north of Dumfries - from 7pm on Sunday 26 July to 6am Friday 7 August.
Transport Scotland say the scheme takes its investment in Dumfries and Galloway in the past 12 months to over £4.5 million.
While work is taking place a convoy system will be in operation overnight with two-way traffic lights in operation during day time hours although there will be no works or traffic management in place from Friday 31 July to Sunday 2 August.