were not re-branded. These continued in CIÉ black and golden brown but the white lining was changed to the narrower style on their next works visit. In the early 1990s, the golden brown was replaced by a brighter orange (RAL 2011) and the stylised IE icon replaced the IR track logo. The new logo did not accompany the Intercity lettering, but was put on all MK2 and MK3 coach doors. Because of the shared nature of the service the Enterprise has its own unique livery consisting of Dark Grey (NCS 8502-Y), Light Grey (NCS 5502-Y), Dark Green (NCS 9005-G20Y), Bronze strip & Enterprise logos (3M), and either Purple (NCS 5040-R40B) for Standard Class or Dark Red (NCS 4060-R10B) for First Plus. In 2006, a new livery reminiscent of the original green has been introduced on the CAF Mark 4s. Consisting of Fern Green (NCS 4550-G), Grey (RAL 7000), Yellow (RAL 1021), Black (RAL 9005), Green (NCS 7020- B70G), Yellow Green (NCS 1070 G60Y) & Metallic Silver (761). A new logo has also been introduced to match. Freight Wagons were plain grey until around 1971, then gradually repainted Oxide brown and departmental stock a dull grey. Whether grey or brown, all CIÉ wagons (as with virtually all Irish freight stock of all companies) had ironwork, roofs, drawgear and chassis the same colour as the body - not picked out in black as occasionally seen elsewhere. Northern Ireland Although the majority of passenger services in Northern Ireland have been worked by diesel multiple units since the mid-1950s, a number of hauled coaches have been required under the tenure of both the Ulster Transport Authority (1948–1966) and Northern Ireland Railways (since 1967). In 1970, NIR purchased a fleet of eight new-build Mark 2B's to run with the 101 Class on the cross-border Enterprise service. These were painted in a maroon and blue livery and were fitted for push-pull running. Between 1981 and 1983, to complement the arrival of the 111 Class and enhance the Enterprise service, NIR purchased 12 second-hand Mark 2s, of the B, C and F varieties, from British Rail. Some of the 1970-built coaches were refurbished for use in the new service. In the final years before the withdrawal of the 101's in 1989, they worked with Mark 2s to form suburban push-pull trains. Further Mark 2B's and F's were ordered in 1989 as part of a modernisation scheme by