The stock is the first to be designed since the Rail Vehicle Accessibilty Regulations came into force . Because of this they will have more facilities for people with impaired mobility , including multi-purpose areas with tip-up seats and space for wheelchairs and pushchairs and offset center door poles for wheelchair access . They are the first London Underground Stock to be designed since the Rail Vehicle Accessibility Regulations came into force , so they will have more facilities for people with impaired mobility , including multi-purpose areas with tip-up seats and space for wheelchairs and pushchairs and offset center door poles for wheelchair access .