The Sutton Park line is a freight-only railway line running from Walsall to Castle Bromwich and Water Orton in the West Midlands, England. It is an important and strategic route, as it enables most freight trains to avoid congestion at Birmingham New Street station. It gets its name as it runs through Sutton Park at Sutton Coldfield, West Midlands.

Birmingham New Street, also known as New Street station, is the largest and busiest of the three main railway stations in Birmingham city centre, England, and a central hub of the British railway system. It is a major destination for Avanti West Coast services from London Euston, Preston, Glasgow Central and Edinburgh Waverley and West Midlands Trains services from Liverpool Lime Street and London Euston both via the West Coast Main Line. The CrossCountry network centres on New Street, as well as local and suburban services within the West Midlands; these include those on the Cross-City Line between Lichfield Trent Valley, Redditch and Bromsgrove, and the Chase Line to Walsall and Rugeley Trent Valley. The three-letter station code is BHM.