Draft Durham City Sustainable Transport Strategy and Action Plan 2015-2030 (County Council document) and the NPF’s response.
UK-AIR – DEFRA Air Information Resource
House of Commons, Environment, Food and Rural Affairs Committee, Air quality, Fourth Report of Session 2015–16, HC 479, 20 April 2016
Trust Pathways: a campaign to create a fully integrated cycle pathways network across Durham City
More generic resources are available here.