The South London Line is an 8.5-mile (13.7 km) horseshoe-shaped Inner London railway from Victoria to London Bridge via Peckham Rye.The line is in Travelcard Zone 2 apart from the termini, in Zone 1.Until December 2012, Southern operated a half-hourly passenger service between London Bridge and Victoria.As part of the project to create an orbital railway around London, most of the South London Line was incorporated into the London Overground network.