South Croyden to Grove Junction (Tunbridge Wells Central) via Edenbridge Town (SRCSMLB1)
Hurst Green Junction to Ashurst Junction via East Grinstead (SRCSMLB2)
Crowhurst Junction North to Crowhurst Junction South (SRCSMLB3)
St. Margaret's Junction to East Grinstead 'C' (SRCSMLB4)
Thee Bridges to East Grinstead 'B' (SRCSMLB5)
Ashurst Junction and Groombridge to Lewes Main Junction (SRCSMLB6)
Redgate Mill Junction to Polegate 'A' (SRCSMLB7)
Horstead Keynes to Haywards Heath (SRCSMLB8)
Brighton to Lewes Main Junction (SRCSMLB9)
Kemp Town Junction to Kemp Town (Goods Line) (SRCSMLB10)
Southerham Junction to Seaford (SRCSMLB11)
Redhill 'B' to Tonbridge 'A' (SRCSMLB12)
Redhill 'B' to Reading South (SRCSMLB13)
Christ's Hospital 'A' to Peasmarsh Junction (SRCSMLB14)
Itchingfield Junction to Shoreham-by-Sea 'B' (SRCSMLB15)
Hardham Junction to Midhurst (SRCSMLB16)
Ford and Arundel Junction to Littlehampton (SRCSMLB17)
Barnham to Bognor Regis (SRCSMLB18)
Fishbourne Crossing to Lavant (SRCSMLB19)
Havant to Hayling Island (SRCSMLB20)
Reading Spur to Reading Main Line East (W.R.) (SRCSMLB21)
Reading Junction to Reading Main Line
East (W.R.) (SRCSMLB22)
North Kent West Junction to Bricklayers Arms Junction (SRCSSL1)
East London Up Junction to old Kent Road Junction (SRCSSL2)
Deptford Lift Bridge to East London Up Junction (Up Side) (SRCSSL3)
Deptford Lift Bridge to New Cross Gate (Down Side) (SRCSSL4)
Deptford Lift Bridge to Old Kent Road Junction (SRCSSL5)
Forest Hill to Crystal Palace 'A' (SRCSSL6)
Gloucester Road Junction to Epsom Downs (SRCSSL7)
West Croydon 'B' to Wimbledon 'B' (SRCSSL8)
Peckham Rye 'C' to Battersea Park Junction (South London line) (SRCSSL9)
Herne Hill to Tulse Hill (SRCSSL10)
Tulse Hill to West Norwood Junction and Leigham Junction (SRCSSL11)
Streatham Junction to Sutton via Wimbledon (SRCSSL12)
Leatherhead to Effingham Junction (SRCSSL13)
Clapham Junction to Catchmere Junction (SRCSSL14)
Battersea Yard to Stewarts Lane (SRCSSL15)
Longhedge Junction to Clapham Junction 'A' (SRCSSL16)
Longhedge Junction to Latchmere Junction (W.R.) (SRCSSL17)
Clapham Junction 'A' to Latchmere Junction (W.R.) (SRCSSL18)
Balham to Beckenham Junction (SRCSSL19)
Bromley Junction to Norwood Junction (SRCSSL20)
Norwood Spur Junction to Norwood Junction (SRCSSL21)
Purley to Tattenham Corner 'A' (SRCSSL22)
Purley to Caterham (SRCSSL23)
Woodside to Selsdon (SRCSSL24)