1) British Rail brand 
Speedlink was a wagonload freight service operated by British Rail from 1977 to 1991 using air-braked wagons ==History== ===Background, 1970s=== In the late 1960s British Rail (BR) was loss making and government supported; government and British Rail management sought solutions and remedies to the problem of the declining wagonload business; in 19...
British Rail's air-braked wagonload freight network, 1977-1991.