If you are driving to Bristol, there are several routes you can take depending on your starting point. From London, take the M4 westbound and follow the signs for Bristol. From Birmingham, take the M5 southbound and again follow the signs for Bristol.
If you prefer to take the train, there are frequent services to Bristol from major UK cities. From London, take the Great Western Railway from Paddington Station to Bristol Temple Meads. From Birmingham, take the CrossCountry train from Birmingham New Street to Bristol Temple Meads.
If you are coming from nearby cities or towns, there are also excellent bus services available. For example, the 376 bus connects Bristol and Bath.
Overall, there are many options for getting to Bristol depending on your starting point and preferences.