Except some people take the bus or walk because it's cheaper. Those arriving at Euston in the peak and getting on the Victoria line to Oxford Circus may choose

Except some people take the bus or walk because it's cheaper. Those arriving at Euston in the peak and getting on the Victoria line to Oxford Circus may choose to save £4 return and walk for half an hour instead of taking 15 minutes on the tube. If they didn't have the saving they may simply add to the crush