Somerset is easily accessible from other parts of the UK and further afield by car, train and even plane. Bath Spa station is well served from other UK destinations, including London Paddington (1hr 30mins). Taunton train station has services through to most major stations, with London Paddington about 1hr 45mins away.
Bristol International airport is just 32km from Bath. Exeter International airport is also within easy reach.
Your own wheels are the best bet for family holidays, whether you drive here or hire a car: the M5 and A303 run through the county.