India, Sept. 23 -- RITES signed a Memorandum of Understanding (MoU) with National Highways & Infrastructure Development Corporation (NHIDCL) to provide specialized consultancy and technical support services for the planning, development, construction and maintenance of highway and infrastructure projects across North-East and other strategic areas.Under this agreement, RITES will provide a broad spectrum of consultancy services, including preparation of Detailed Project Reports (DPRs) for highways and tunnels, external technical audits and third-party quality assurance, structural health assessments of bridges and flyovers, technical support unit services, road safety audits, crash investigation and mitigation planning, slope stability stud...