There are toiltet (wc) facilities on all Intercity trains and also new generation Sprinters. Note, some older style Sprinters do not have toilets!
People Also Ask
If you want to get up and stretch your legs, there's plenty of room to walk around, with restrooms conveniently located in every car. On shorter train journeys, Amtrak's Coach Class seats provide a comfortable place to relax and enjoy the view.
Many trains have toilets. Long distance trains, including sleeper trains, usually one per carriage at one end. Middle distance trains may only have one per 2–4 carriages. Short distance trains, suburban and metro trains where you are on the train for less than 20–30 minutes often have no toilet.
Other than a refrigerator/watercooler and a bathroom there are almost zero ammenities on a locomotive. Only way a engineer can go to bathroom is by stopping his train or if the conductor is a certified engineer he could run for while.
Yes, a large proportion of them do, especially at times of the day when there are still staff on duty. Unfortunately, due to increasing cases of vandalism, however, some have had to resort to putting combination locks on the door (much like many Pret shops) so you might have to ask staff for the code…