It finishes its bypass of Richmond to the north .
It forms a long bend , as Twickenham Road , skirting most of Old Deer Park on the south side , before crossing the Thames again on Twickenham Bridge .
Finishing its bypass of Richmond to the north , it forms a long bend , as Twickenham Road , skirting most of Old Deer Park on the south side , before crossing the Thames again on Twickenham Bridge .