More than £3m is to be spent on the Fastlink bus scheme in Glasgow to improve passenger facilities and vehicle routes in the city centre.
The Fastlink lanes provide high-frequency services between Buchanan Street Bus Station and the new Queen Elizabeth University Hospital.
The cash will see real-time information information displays installed with better lighting and wider footpaths on certain city centre streets.
Work is due to be completed by 2017.
The £3.14m package of works was announced by Transport Minister Derek MacKay at the Bus Rapid Transit UK conference in Glasgow.
"Any measure which makes public transport a more attractive option is to be commended and I welcome this opportunity to recognise the work completed on Fastlink to date as it moves into its next phase," he said.
The work, which is supported by Glasgow City Council, Strathclyde Partnership for Transport and Transport Scotland, will see a simplification of the junction at Union Street and Argyle Street.
Improvements will also be made at Argyle Street, Jamaica Street, Midland Street, Oswald Street, and Howard Street.
Union Street will be the focus for major improvements in passenger facilities.