Overrgound data for interchanges
"ACC","Acton Central","mid","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"ANZ","Anerley","front","mid",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"BCV","Bruce Grove","mid","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"BCY","Brockley","front","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"BET","Bethnal Green","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"BHK","Bush Hill Park","mid","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"BHO","Blackhorse Road","mid","mid",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"BSH","Bushey","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"BSP","Brondesbury Park","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"BSY","Brondesbury","front","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"CBH","Cambridge Heath","mid","mid",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"CHI","Chingford","rear","back","rear",NULL,NULL,NULL,NULL,NULL,NULL
"CIR","Caledonian Road & Barnsbury",NULL,"mid","mid",NULL,NULL,NULL,NULL,NULL,NULL
"CLJ","Clapham Junction","front","rear",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"CLP","Clapham High Street","mid","mid",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"CMD","Camden Road","mid","mid",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"CNN","Canonbury","mid","mid","mid","mid",NULL,NULL,NULL,NULL,NULL
"CPK","Carpenders Park","mid","mid",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"CPT","Clapton","front","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"CRH","Crouch Hill","front","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"CYP","Crystal Palace",NULL,NULL,"rear","rear","rear","rear",NULL,NULL,NULL
"DLJ","Dalston Junction","ahead","rear","rear","rear",NULL,NULL,NULL,NULL,NULL
"DLK","Dalston (Kingsland)","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"DMK","Denmark Hill","front","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"EDR","Edmonton Green","mid","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"EMP","Emerson Park","mid",NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL
"ENF","Enfield Town","back","back","back",NULL,NULL,NULL,NULL,NULL,NULL
"EUS","Euston",NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,"rear"
"FNY","Finchley Road & Frognal","mid","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"FOH","Forest Hill","mid","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"GPO","Gospel Oak","back","front","rear",NULL,NULL,NULL,NULL,NULL,NULL
"GUN","Gunnersbury","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"HAC","Hackney Downs","front","back","front","back",NULL,NULL,NULL,NULL,NULL
"HDH","Hampstead Heath","mid","mid",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"HDL","Headstone Lane","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"HDN","Harlesden","front","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"HGG","Haggerston","mid","mid",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"HHY","Highbury and Islington","front","front",NULL,NULL,NULL,NULL,"back","front",NULL
"HIP","Highams Park","front","mid",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"HKC","Hackney Central","mid","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"HKW","Hackney Wick","mid","mid",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"HMN","Homerton","ahead","rear",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"HOX","Hoxton","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"HPA","Honor Oak Park","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"HRW","Harrow and Wealdstone","mid","mid",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"HRY","Harringay Green Lanes","mid","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"HTE","Hatch End","mid","mid",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"IMW","Imperial Wharf","front","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"KBN","Kilburn High Road","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"KNL","Kensal Green","front","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"KNR","Kensal Rise","mid","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"KNT","Kenton","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"KPA","Kensington Olympia",NULL,"mid","mid",NULL,NULL,NULL,NULL,NULL,NULL
"KTW","Kentish Town West","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"KWG","Kew Gardens","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"LEM","Leyton Midland Road","front","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"LER","Leytonstone High Road","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"LOF","London Fields","mid","mid",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"LST","Liverpool Street","rear","rear","rear",NULL,NULL,NULL,NULL,NULL,NULL
"NWB","North Wembley","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"NWD","Norwood Junction","mid",NULL,"mid",NULL,"mid","mid",NULL,NULL,NULL
"NXG","New Cross Gate","mid",NULL,NULL,NULL,"back",NULL,NULL,NULL,NULL
"PMR","Peckham Rye","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"PNW","Penge West","mid","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"QPW","Queen's Park","front",NULL,NULL,"back",NULL,NULL,NULL,NULL,NULL
"QRP","Queen's Road Peckham","mid","mid",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"REC","Rectory Road","front","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"ROE","Rotherhithe","front","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"SAT","South Acton","mid","mid",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"SBP","Stonebridge Park","mid","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"SBU","Southbury","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"SDC","Shoreditch High Street","front","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"SDE","Shadwell","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"SJS","St James Street","front","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"SKW","Stoke Newington","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"SLV","Silver Street","front","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"SMH","Stamford Hill","front","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"SOH","South Hampstead","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"SOK","South Kenton","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"SPB","Shepherds Bush","mid","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"SQE","Surrey Quays","front","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"SRA","Stratford","mid","mid",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"STO","South Tottenham","front","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"SVS","Seven Sisters","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"SYD","Sydenham","mid","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"TEO","Theobalds Grove","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"TUR","Turkey Street","front","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"UHL","Upper Holloway","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"WBP","West Brompton",NULL,NULL,"mid","front",NULL,NULL,NULL,NULL,NULL
"WCY","West Croydon","back",NULL,"back","back",NULL,NULL,NULL,NULL,NULL
"WFH","Watford High Street","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"WFJ","Watford Junction","rear","rear","rear","rear",NULL,NULL,NULL,NULL,NULL
"WGR","Woodgrange Park","front","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"WHC","Walthamstow Central","mid","mid",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"WHD","West Hampstead","mid","mid",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"WHL","White Hart Lane","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"WIJ","Willesden Junction","front",NULL,"back","front","back",NULL,NULL,NULL,NULL
"WMB","Wembley Central","front","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"WMW","Walthamstow Queens Road","mid","mid",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"WNP","Wanstead Park","front","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"WPE","Wapping","back","front",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"WST","Wood Street","front","back",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"WWR","Wandsworth Road","mid","mid",NULL,NULL,NULL,NULL,NULL,NULL,NULL
"ZCW","Canada Water",NULL,NULL,"mid","front",NULL,NULL,NULL,NULL,NULL
"ZLW","Whitechapel",NULL,NULL,NULL,NULL,"mid","mid",NULL,NULL,NULL