| Roads | Investment and maintenance expenditure on major roads (pence per vehicle-km) | Public sector expenditure on national roads: PESA: chapter 10 tables http://www.hm-treasury.gov.uk/d/pesa2011 _chapter10.xlsx http://www.hm-treasury.gov.uk/d/pesa2010_ chapter10_tables.xls http://www.hm-treasury.gov.uk/d/pesa2010_ chapter10_tables.xls Traffic on major roads: Department for Transport table TRA0202 tab B (series "all major roads"), http://assets.dft.gov.uk/statistics/tables/tra0202.xls | Geographical coverage: Great Britain Price base: 2009-10 prices |