The Braintree branch line is a railway branch line in the East of England that diverges from the Great Eastern Main Line at Witham and runs north-west to Braintree. The route is 6 miles 30 chains (10.3 km) in length and there are five stations, including the two termini. The line is part of Network Rail Strategic Route 7, SRS 07.06, and is classified as a London and South-East commuter line.