 This re-branding introduced the double-arrow logo to represent the industry as a whole; the standardised Rail Alphabet typeface used for all communications and signs; and the BR blue livery, which was applied to nearly all locomotives and rolling stock.A minor reorganisation in 1967 saw the North Eastern region become part of the Eastern region.The 1970s saw British Rail successfully introduce high speed diesel train services, as well as major resignalling projects designed to increase operational efficiency.