This is a calculated metric using RO2. The Revenue Outturn returns are compiled by the Department for Communities and Local Government. 'Highways maintenance planning, policy and strategy' is from RO2 which relates to Highways and Transport Services. The RO returns collect data on local government expenditure. This is from the section Transport planning, policy and strategy.

Total expenditure is the sum of employee costs and running expenses (Col 1 plus Col 2) This metric is the sum of Col 3 Total expenditure - Row 11 Highways maintenance planning, policy and strategy; 12 Public and other transport planning, policy and strategy; 73 Support to operators - bus services; 74 Support to operators - rail services; 75 Support to operators - other; 76 Public transport co-ordination.