All current train times can be obtained at any staffed station or from National Rail Enquiries http://ojp.nationalrail.co.uk/service/planjourney/search
Each train operator has copies of their timetables online for customers to download. Those relevant to Ashchurch are:
First Great Western, http://www.firstgreatwestern.co.uk/Train-times-and-tickets/Train-times/Current-Timetable
Cross Country Trains, http://www.crosscountrytrains.co.uk/tickets-timetables/train-timetables
London Midland, http://www.londonmidland.com/your-journey/timetables/Timetables-from-8-Dec/
The following stations can be reached by direct services from Ashchurch for Tewkesbury,
Attenborough,Avoncliff, Audley End, Barnham, Bath Spa, Beeston,Birmingham New Street, Bradford On Avon, Brighton, Bristol Parkway, Bristol Temple Meads, Bromsgrove, Bruton, Burton-on-Trent, Caldicot, Cam & Dursley, Cambridge, Cardiff Central, Castle Cary, Cheltenham Spa, Chepstow, Chetnole, Chichester, Coleshill Parkway, Cosham, Derby, Dilton Marsh, Dorchester West, Ely, Fareham, Filton Abbey Wood, Freshford, Froome, Gloucester, Great Malvern, Havant, Hove, Kemble, Keynsham, Lawrence Hill, Leicester, Long Eaton, Lydney, Maiden Newton, Malvern Link, March, Melksham, Melton Mowbray, Nailsea and Blackwell, Newport, Nottingham, Nuneaton, Oakham, Oldfield Park, Peterborough, , Romsey, Salisbury, Severn Tunnel Junction, Shoreham, Southampton Central, Spondon, Stamford, Stanstead Airport, Stapleton Road, Stonehouse, Stroud, Tamworth,Thornford, Trowbridge, University, Upwey, Warminster, Westbury, Weston Milton, Weston Super Mare, Weymouth, Willington, Worcester Foregate Street, Worcester Shrub Hill, Worle, Worthing, Yate, Yatton, Yetminster, Yeovil Pen Mill.
Bus services 41 and 42 to Tewkesbury and Cheltenham stop close to the station, and right outside during peak periods. They run every 15/20 minutes during the day Mondays to Saturdays and hourly in the evening with an hourly service on Sundays. Timetables available from http://www.stagecoachbus.com/tis-timetable-result.aspx?area=51&date=09%2f06%2f2014+12%3a45%3a00&search=42