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General For technical data: Highways England standards for highways Regarding efficiency: Highways Maintenance and Efficiency Programme For professional advice: Chartered Institution of Highways & Transportation (CIHT) For guidance and advice: UK Roads Liaison Group; ADEPT For highway product approval and certification: BBA HAPAS Certification for Highway Products and Systems Specific Cabinet Office, Outsourcing Playbook Civil Engineering Contractors Association, Building Net Zero Roads Construction Leadership Council, Guidance...

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