There only seems to be 4 of them as of now, so "every major cross-roads" become just "an experiment with 4". That's also the only example you took to prove you

There only seems to be 4 of them as of now, so "every major cross-roads" become just "an experiment with 4". That's also the only example you took to prove your point of politic's "incompetence in implementing nice sounding ideas."