"we came within view of the turnpike, at the top of the Avenue Road."

Turnpikes were introduced in the 18th century to raise local funds to improve the road system. Parliament gave bodies of local trustees powers to levy tolls and these trusts remained active for most English trunk roads until the 1870s.

The place where Walter meets the woman in white is now the junction of Finchley Road, Frognal Lane and the top part of West End lane.