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Car Commuting Costs Marin Billions

We don't often examine the true cost of a car commute on our families, our time or our community. That cost is massive.

Marin’s commuting workforce travels quite a distance for work, 11.5 miles each way on average, thanks in part to its relatively suburban character. Although most would say such a commute isn’t terrible, commuting even that far is a massive financial loss to everyone involved, and Marin’s economy suffers for it.

Financial blogger Mr. Money Mustache recently penned a fantastic piece on the true cost of commuting (which I whole-heartedly recommend) and found that a 19-mile commute, roughly from downtown San Rafael to Market Street, costs around $75,000 over the course of a decade and wastes roughly 1.3 working years of time. He factors in the IRS cost of $0.51 per mile in car depreciation, gas and the like and assumes that it could be reinvested at about 5 percent interest.  To paraphrase, if these numbers looks crazy, that's because commuting by car is crazy.

How much time and money is lost to commuting alone in Marin? The average drive-alone Marinite travels 11.46 miles to work, the distance from Petaluma to Novato. After taking into account a bit of tolling and parking, this average Joe spends $3,800 and 24 working days on his commute each year. If he valued his time as much as his employer, that lost time is worth another $6,500. This works out to almost $50,000 in lost wealth and seven wasted working months over a decade. As a county, we spend $565 million every year to commute alone, and every decade we lose an astounding $7.3 billion in wealth and $9.5 billion worth of time.

Hearing these numbers, you’re probably thinking of abandoning your place in Sleepy Hollow and finding someplace nice in Russian Hill, or you’re worried I’ll want to make Grant Avenue a satellite Financial District. Don’t worry. I’m not advocating emptying out Marin, or turning Novato into Oakland, but I want to point out the immense, direct costs of investing so heavily in car-centered infrastructure. Each 1 percent of the commuting populace that drives alone rather than paying down a mortgage costs Marin’s economy $106.4 million every decade.

Infill development is one way out of this mess. By bringing workers and jobs closer together, Marinites will be able to save time and money if they want to drive, to the tune of $255 per mile closer to work, and will be more likely to bike or walk to work. These don’t need to be monstrous apartment buildings or affordable housing, as density of the sort our cities would allow isn't enough to damage the fabric and culture of our towns.

The other way out is through improved transit investments. Although travel by transit is often no faster, and sometimes slower, than driving, that time can be put to more productive use than simply driving through stop-and-go traffic on 101, and transit is almost always cheaper than driving. Switching from driving to taking the wifi-equipped 101 bus to San Francisco, for example, can save a Novato commuter up to $11,000 per year in parking fees, tolls and vehicle wear-and-tear.

These are the discussions Marin should have about its future. How can we boost alternative transportation? How can we intelligently promote infill development? These are also the discussions we should have with our families. Personally I’d rather have $11,000 at the end of the year than the convenience of being totally flexible with when I can leave the office, but perhaps the flexibility is worth it.

We often simply accept the commutes we’re given as foregone conclusions and don’t count the ways they hurt our wallets and our time.  Even if we do reexamine our commute, it’s often with the time horizon of a month or a year. It’s high time we started to look at things a little more broadly.

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Commuting statistics used for the above information is from Change in Motion from December 2008 by the Metropolitan Transportation Commission. Mode share is the 2006 observed base and commuter numbers are the 2010 estimate. If you would like to see my work, you can download my somewhat disorganized spreadsheet here.

This post is contributed by a community member. The views expressed in this blog are those of the author and do not necessarily reflect those of Patch Media Corporation. Everyone is welcome to submit a post to Patch. If you'd like to post a blog, go here to get started.

David Edmondson November 07, 2011 at 07:39 PM
Interesting thought on the carpool discount: why not make it free for carpools of 3 or more? It might actually encourage a slugging (casual carpooling) culture, which would do a lot for reducing car usage. Such a shame.
Bob Ratto November 07, 2011 at 07:54 PM
Dave Timely post on your part, there was an article in the Chronicle this morning (find it as sfgate)...that discussed how MTC was pleased that commutes were now somehow shorter because fewer people were carpooling on the Bay Bridge since they raised the rate for carpools from free to $2.50. It didn't really go into a "deep dive" as to where people had gone...maybe some took BART/AC Transit, maybe some stopped commuting, etc...but it kind of seemed like a step backwards on my first quick read. Maybe you can also find it at MTC.
Kevin Moore November 07, 2011 at 09:14 PM
A few things 1 - The Golden Gate Bridge is independent of all other bridges in the SF area. 2 - The carpool was free until recently. 3 - The GG bridge requires car pool status and Fast Track for the $2 discount. On the Bay Bridge, I think the "charge more for peak" hours had more to do with making traffic flow better. Caltrans should have the traffic numbers to back it up.
David Edmondson November 07, 2011 at 10:44 PM
Managing car traffic is interrelated to transit, but is a separate issue. A fabulous thing with the Bay Area's geography is that we can (and to some extent, do) charge congestion pricing along most of the routes to the City. A post for another time.
Rico November 11, 2011 at 05:28 PM
Commuting is getting far to expensive for the commuter, no matter what mode of transportation used. A better way would be to have all salaried workers be paid for their travel time by their corporate employers, that would eliminate commuting. As a business owner, I don't commute, and cannot write off any time spent commuting. But if I have to travel to and from a job, I can at least write off the mileage, and charge for my travel time and expenses like vehicle depreciation, insurance, and maintenance. I then can pay taxes on what is left over. It's simple, any travel time to and from work will be part of the 8 hour work day, and any time over 8 hours in a day will be paid at time and one half (overtime). The masses will be a much happier lot, and hopefully will have more time not working, enjoying family, friends and nature.

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