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2. Commission for Integrated Transport, 2002a. Public Subsidy for the Bus Industry.
3. Commission for Integrated Transport, 2002b. CfIT Initial Assessment Report on the 10-Year Transport Plan.
4. Commission for Integrated Transport, 2004. The Bus Industry: Encouraging Local Delivery, Advice from the Commission for Integrated Transport.
5. A Comparative Assessment of Major Bus Priority Schemes in Great Britain;Daugherty,1999