If anyone makes it past all these obstacles, there are checkpoints atthe bus station, at railroad yards and on the main roads out of town, complete with dogs to sniff out stowaways.
"Anyone who's filled up at a petrol station recently will realise that the ability to recharge overnight at 1-3 pence per kilometre is extremely attractive, " Transport Secretary Philip Hammond told BBC News atthe launch.
She claimed that she had asked a few people at a gas station for help, but the attendants told her that it was against company policy to allow anyone to solicit their customers for money.
Police have appealed for anyone with information about Ms Duncan-Bailey or her whereabouts to contact the Specialist Crime Directorate at Sutton police station on 0208 721 4054.