The wisdom of surrounding transit stations with "seas" of park-and-ride lots may be turning. In theory, park-and-ride seems like a great transportation compromise, converting full-trip drivers into part-trip riders. In practice, the opposite often occurs, with former non-drivers now commuting part of the way by car.
That unexpected practical shift can increase vehicle miles traveled in a metro area, subverting the sustainability goal of transit. — citylab.com