TODO: Add boundary of ZEZ phase 1, gathering manual photo or direct GPS survey evidence. It's round here, I think (Ship Street is mentioned in the list)

Home page: https://www.oxfordshire.gov.uk/zez

Can't directly use https://www.oxfordshire.gov.uk/residents/roads-and-transport/oxford-zero-emission-zone-zez/view-map-zez , have to actively map the signs and such instead. That info's probably better, anyway.