I do believe that ELL is one major reason for the increase in traffic/parking in FH/HOP areas.

Sorry to harp on again - however same thing happened to someone I know when they lived in Colliers Wood, they would walk to the tube and see loads of cars pull up and people get out, park, then sail off on the tube to work, most of them drove in from Epsom, Morden areas, appears same thing is happening to FH/HOP with people coing from Kent borders, parking, then hopping on trains