So it's Sherton Abbas v Havenpool.
Getting there is quite simple.
There is an X11 from Casterbridge (can't meet them in this one, they haven't entered.) that you can catch. Two possible to services. The 1st leaves Casterbridge South railway station at 15:30 getting to Sherton Abbas at about 17:15. The 2nd leaves at 17:35, arriving around 18:40. This last one terminates in the town centre, so you would need to walk from there to the ground.
Getting back, FORGET IT!
However if their is a person with one of those new fangled horse less carriages, prepared to give me a lift back, I will treat them to a pint of foaming ale at Tatnam in reward for their, sought for, kindness.