The road has four principal axes to stay no more than 3 miles (4.8 km) from the River Thames to run from Central London upstream to Bisham, Berkshire which faces the town of Marlow across the river, explaining its four main orientations. edit

This sentence needs to be put into English. — Preceding unsigned comment added by 86.136.228.205 (talk) 12:59, 18 April 2018 (UTC)Reply