Esher 's town slowly grew as a stagecoach stop on the London -- Portsmouth road that was later numbered the A3 .
It was bypassed in the mid-1970s when it became the A307 .
Esher 's town slowly grew as a stagecoach stop on the London -- Portsmouth road that was later numbered the A3 , although it was bypassed in the mid-1970s when it became the A307 .