Wasting Your Time
posted in Transportation |The Texas Transportation Institute’s 2009 congestion report estimated that motorists wasted more than 4 billion hours in traffic in 2007, or about 36 hours per commuter. One way that is often proposed to reduced this waste is getting people to ride transit.
But the cure may be worse than the disease, suggests Steven Polzin of the Center for Urban Transportation Research at the University of South Florida. Polzin points out that the 2009 National Household Transportation Survey found that the average speed of commuters who take cars is 33 mph, while the average speed of commuters who ride transit is only 12 mph.

Rapid transit? Not hardly. Most light-rail lines average 20 mph, and this Hudson-Bergen train is even slower than that.
Flickr photo by WallyG.
Polzin estimates this represents 3 billion hours of wasted time. Although that’s less than three-quarters of the amount of time wasted by congestion, far fewer people commute by transit than by car — 7 million vs. 124 million in 2008. So 3 billion hours is well over 400 hours per transit commuter.
“While one often hears about the ‘cost of congestion,’ there is virtually no one talking about the ‘cost of using slower modes of travel,’” says Polzin. “We hear a lot about the value of having a choice of modes but increasingly little about the value of having a choice of an uncongested or less congested travel option.” In effect, Polzin suggests, transit causes billions of dollars “of lost productivity.”
Of course, some transit advocates will argue that people can work on a train or bus, but not while driving a car. Realistically, however, how often do you see people working while riding transit? Most read a newspaper, listen to their iPods, or stare off into space. On the other hand, if you really want to work, you can listen to educational audio-books while you drive.
To be fair, many people who use transit may not be wasting their time. More than a third of transit commuters work in the New York urbanized area, most of them in Manhattan, which is so congested that transit is probably faster than driving.
Still, Polzin points out — and as the Antiplanner has previously observed — increased mobility and speeds have greatly contributed to the nation’s wealth and productivity. “There are lots of good reasons to enable and encourage use of alternative modes but analysis of the consequences should strive to be objective about the travel time and productivity consequences.” For many commuters who now drive, asking them to take transit instead is asking them to substitute 400 wasted hours for 36 wasted hours.




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