There are more stoplights on the driven commute than the bike commute. It's typically 20-25 minutes driving and 25-31 minutes biking for a ratio of 1.25. When I drive, I average 16-18 mph or so; bike is 13-15 mph.
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"I had a great ride this morning, except for that part about winding up at work."
Bikes so far: 2011 Felt Z85,
80's Raleigh Sovereign (USA),
91 Bianchi Peregrine,
91 Austro-Daimler Pathfinder,
90's Trek 730 Multitrack, STOLEN:
80 Schwinn Voyageur (Japan)
