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As carriageways are designed for a specific period (a ‘design life’) based on the predicted numbers of vehicles passing over that section over a specific number of years, increased traffic volumes (particularly commercial vehicles) can accelerate their deterioration. Traffic volumes on the A90 have risen by 6% over the last five years. This change in traffic has been factored into our most recent calculation of the Road Condition Index which is used to identify where detailed engineering investigations should be focused in order to determine maintenance requirements.

There is a total of 140 overbridges and overpasses (including footbridges on the A90 trunk road and within the Aberdeen Western Peripheral Road / Balmeddie to Tipperty Project boundary. All are in an acceptable condition. They are subjected to regular inspections to determine the integrity of the structures and identify any necessary repairs. Transport Scotland's Operating Company, Amey, has ongoing prioritised works at the structures below:

• A90 Glencarse overpass was struck by a vehicle in March 2023 and repairs were completed on 21 December.
• A90 Finavon Bridge sustained storm damage during Storm Babet in October 2023, work has been ongoing to facilitate repairs

Over the last 5 full financial years there has been the following number of surface repairs on the A90 trunk road:

There are 241 laybys on the A90 trunk road (including bus stops). There are currently no plans to expand these facilities at this time.

Justice of the peace courts deal with less serious summary crimes such as speeding, careless driving and breach of the peace. Being a Justice of the Peace is a voluntary role that is filled by lay people from within the local community who receive training in criminal law and procedure. They are assisted by lawyers who can provide advice on the law and procedure.

These courts help improve the overall efficiency of the justice system as they reduce the number of cases that need to be considered at Summary Sheriff level (the next most senior court). Justice of the Peace cases are also less expensive to run than Summary Sheriff cases saving public money which can be spent elsewhere in the justice system. Additionally, by hearing less serious criminal cases in a Justice of the Peace Court this helps prevent backlogs in the Sheriff courts.

Evaluation is essential to the work of Transport Scotland to assess whether policies and interventions are being delivered as intended, and to help identify ways to improve them.

I refer the member to the answer to the question S6W-33099 on 22 January 2025. All answers to written Parliamentary Questions are available on the Parliament’s website, the search facility for which can be found at https://www.parliament.scot/chamber-and-committees/written-questions-and-answers

There is a total of 2,297 street lights on the A90 broken down by local authority area as follows:

Aberdeenshire Council - 637

Aberdeen City Council - 154

Angus Council - 405

Dundee City Council - 474

Edinburgh City Council - 411

Fife Council - 41

Perth & Kinross Council - 175

I refer the member to the answer to the question S6W-33028 on 22 January 2025. All answers to written Parliamentary Questions are available on the Parliament’s website, the search facility for which can be found at https://www.parliament.scot/chamber-and-committees/written-questions-and-answers

The determination of railway operator’s staff training needs and the implementation of training thereafter are matters for railway operators. The Scottish Government supports Network Rail, ScotRail Trains Limited, Scottish Rail Holdings Limited, and Caledonian Sleeper Limited through the funds it provides to these organisations.