The Romney, Hythe & Dymchurch Railway in England has 13 miles of 1ft 3 inch gauge track. Besides being a tourist attraction the railway also hauls two hundred students to and from school each day.
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And would you believe they actually operate a school train? The local education authorities finance it.
The only other dedicated school train I have ever seen was on the Kiso Forest Railway, running on rails exactly twice as far apart (and still only half of Russia’s most common gauge.)
As to the bonus question, the answer is fire.
Andre
I know of one that is less than 2’, so it must be “c”.