1887. Progress in the construction of the last section between Hawkesbury River and Gosford occurred when the Woy Woy Tunnel opened in 1887, then Mullet Creek to Gosford in 1888 and finally Hawkesbury River to Mullet Creek in 1889 when the original Hawkesbury River Railway Bridge was built. In 1892, the line was duplicated from Strathfield to Hornsby, and electrified in 1926 as part of the Bradfield electrification scheme. The line was further electrified to Gosford in January 1960, Wyong in April 1982 and Newcastle in June 1984. Freight trains were hauled by electric locomotives until March 1998. Branch lines Several lines branch from the Main North Line, including: Newcastle Branch Line from Broadmeadow to Newcastle Interchange (used to go further to old Newcastle station until it was closed in December 2014) Richmond Vale railway line from Hexham to Weston (closed 1987) South Maitland Railway from Maitland to Pelton Merriwa line to Sandy Hollow and on to the Sandy Hollow to Gulgong line Mungindi line from Werris Creek to Narrabri and Moree Toronto line from Fassifern to Toronto (closed 1990 and converted to cycleway) Belmont line from Adamstown to Belmont (closed 1991 and converted to a cycleway called The Fernleigh Track) Morpeth Line from East Maitland to Morpeth (closed 1953) Barraba line from West Tamworth to Barraba (closed 1980s) Services The line was serviced by the overnight Northern Mail until it ceased in November 1988. The Northern Tablelands Express provided a daylight service to Glen Innes, with some journeys extended to Tenterfield until truncated in October 1985 to Armidale and in February 1990 to Tamworth. NSW TrainLink North Coast and North Western operates regional and intercity passenger services along the Main North line. A daily North Western train operates from Sydney to Werris Creek before dividing, one operating along the Main North line to Armidale, the other section operating along the North-West line to Moree. Central Coast & Newcastle Line intercity passenger services operate between Sydney and Newcastle. The Hunter Line operates between Newcastle, Maitland and Scone, with a branch to Dungog on the North Coast line. Sydney Trains operates suburban passenger services in the section between Strathfield and Berowra. The section between Strathfield and Maitland forms part of the interstate line between Sydney and Brisbane and sees intermodal freight traffic carried between the two cities. The section of line in the Hunter Valley sees intensive coal train working, with