Oral history interview with Donald Heath, conducted and recorded by Frank Paterson at the interviewee's home in the East Riding of Yorkshire on 17 October 2018. Duration: 1 hr. 46 min. 2 sec. Early Career; British Rail (BR) Research track stability; development of stone blower; drop joints; relationships with other departments; Planning department British Rail: London Midland Region; Birmingham New Street track layout process; Newton Heath Maintenance Depot; programmes planning; development of networks critical path analysis; Signalling & Telecommunications (S&T) reluctance; rules of the route for possessions; over-runs factors; Manchester Central Area tunnel scheme development 1972; passenger transport executive (PTE); Transmark project in Tehran 1976-1980; Deputy Director Major Projects; Project Director East Coast Main Line (ECML) electrification; project progress; project scale; development of computerised management information systems; Durham Viaduct; Berwick-upon-Tweed; impact of organisational changes; first through electric train London to Edinburgh July 1991; Crossrail; failed Bill 1992; submission withdrawn 1993; retirement; consultancy; reflections Donald Heath interviewed by Frank Paterson (Session 1 of 2) 2018-10-17