Originally Posted by
genejockey
Hence, "largely".
There are two lights on my Sunday ride where the difference between hitting the light so I can roll through it versus missing it amounts to several minutes. EACH.
Meh, maybe it largely eliminates external factors for someone in a rural area or someone on the outskirts of a suburban area (or someone willing to drive to a ride), but it doesn't even come close to someone within a metro area, which is a big ol' chonk of the population.