NYC's Depressingly Congested Traffic, Mapped by Taxicab GPSS

NYC's Depressingly Congested Traffic, Mapped by Taxicab GPSS

Why I take the subway: This is what NYC traffic congestion looks like, charted by the GPS units built into cabs. The real surprise is that average travel speeds remain a crushingly slow 7MPH, even when everybody's at work. [NYT]