Chepstow station is on the Gloucester to Newport Line, 141 miles 33 chains (227.6 km) from the zero point at Paddington, measured via Stroud.

Chepstow is a historic walled border town and ancient port, situated at the southern end of the Wye Valley, two hours from London.

They were completed in 1850 for Isambard Kingdom Brunel's South Wales Railway, and according to architectural historian John Newman were designed by N. Lancaster Owen.

The footbridge is a now-rare survival of a typical GWR iron pattern, still with its wooden cladding and canopy, and is Grade II listed.

[10] As of May 2016, the service pattern consists of the hourly (with occasional two-hour gaps) Cheltenham Spa - Cardiff Central - Maesteg service (serving all intermediate stations between Gloucester & Newport) plus calls every second hour by the CrossCountry Nottingham - Cardiff Central trains.

On race days, special buses are normally laid on to convey racegoers to and from Chepstow Racecourse; this is a walk of approximately half an hour's duration.