Old Kent Road a Celtic ancient trackway that was paved by the Romans and recorded as Inter III on the Antonine Itinerary. The Anglo-Saxons named it "Wæcelinga Stræt" (Watling Street). It joined Stane Street another ancient and Roman road at Southwark before crossing the Thames at London Bridge. The Inter III was one of the most important Roman roads in Britain, linking London with Canterbury and the Channel ports at Richborough ("Rutupiae"); Dover ("Dubris") and Lympne ("Lemanis"). Pilgrims, as documented in Chaucer's Canterbury Tales, travelled along the road from London and Southwark on their way to Canterbury. In 1415, the road was a
South London line to peak-hour and Saturday services, adopting the west end of the old route (between London Victoria and Peckham Rye). In 2012 a diversion was made to the eastern end to join to the East London line, a former London Underground line which was reconverted to main line operation as part of Phase 2 of its extension project reinstating an alignment between Rotherhithe and Peckham that had been disused since 1911, via Old Kent Road station. This created the route from to via , , , and . Completion was scheduled for May 2012 in time for the London 2012 Summer