TMCC16: Sensible Speed

[abg7]

I even made the ban on TRX tires an explicit rule in TMCC 14 and CSR 137, both of which I hosted:

@abg7

Speaking of tires, their width (not diameter or profile) must not be exactly divisible by 10 (i.e, the last digit must be 5).

Also, by the 1990s, such unusual tire sizes had begun to fall out of favor in real life anyway.