The West Coastway Line is a railway line from Brighton to Littlehampton, Bognor Regis, Chichester, Portsmouth and Southampton.

The towns and villages served by the line are listed below.

• Brighton
  • Brighton Main Line diverges to Three Bridges, Gatwick Airport, Croydon and London Victoria/London Bridge
• Hove
• Aldrington
• Portslade
• Fishergate
• Southwick
• Shoreham-by-Sea
• Lancing
• East Worthing
• Worthing
• West Worthing
• Durrington-on-Sea
• Goring-by-Sea
• Angmering
  • Arun Valley Line diverges to Arundel, Horsham and Three Bridges
  • Littlehampton
• Ford
• Barnham
  • Bognor Regis
• Chichester
• Bosham
• Nutbourne
• Southbourne
• Emsworth
• Warblington
• Havant
  • Portsmouth Direct Line diverges to Haslemere, Guildford, Woking and London Waterloo
• Bedhampton
  • Hilsea
  • Fratton
  • Portsmouth and Southsea
  • Portsmouth Harbour
• Cosham
• Paulsgrove
• Portchester
• Fareham
  • Line diverges to Eastleigh
• Swanwick
• Bursledon
• Hamble
• Netley
• Sholing
• Woolston
• Bitterne
• St Denys
  • South Western Main Line diverges to Winchester, Basingstoke, Woking and London Waterloo
• Southampton
  • Wessex Main Line continues to Salisbury, Westbury, Bath and Bristol
  • South Western Main Line continues to Bournemouth, Poole, Wareham and Weymouth

Passenger services are provided by Southern (primarily Brighton-Portsmouth, with some extended to Southampton), South West Trains (primarily Southampton-Portsmouth, with some extended to Brighton) and Wessex Trains (fast Bristol-Southampton-Portsmouth/Brighton services).