Didcot is a most interesting junction located on the Great Western main line,
which since 1994 has been been controlled by Swindon 'B' Signalling Control
Through expresses between London (Paddington) and Bristol and South Wales
thunder through at 125 m.p.h., whilst others stop at Didcot Parkway station.
Frequent "Turbo" DMU services run to and from the Oxford line. This
route is also used by a variety of loco-hauled passenger services, mainly
between Glasgow/Manchester and the South Coast.
Freight traffic is considerable, including the Merry-Go-Round trains for
Didcot power station, Freighliners, car transporter trains and traffic for