(Cross-posted from www.planetizen.com)
I just received a email newsletter raising the decades-old argument that public transit gets too much federal support because transit gets 20 percent of federal funding for surface transportation, but its share of trips and transportation mileage is far lower.
One obvious retort to this argument is environmental: highway spending, by encouraging automobile travel to car-dependent places, increases vehicle miles traveled (VMT), thus increasing pollution—not just greenhouse gas pollution, but also more heavily regulated types of pollution such as carbon monoxide and particulate matter. To the extent that highway spending increases such social harms, one dollar of spending may be one dollar too much, let alone the tens of billions of dollars currently devoted to roads.
In addition, highway spending can create other negative side effects: for example, where jobs track new highways but public transit does not, a “spatial mismatch” exists between the pre-highway population and jobs; population was located in more urban areas, but the highway has shifted jobs into outer suburbs and exurbs. To the extent people react to this spatial mismatch by buying cars and driving more, they have suffered additional costs caused by government action. To the extent people too poor to buy cars cannot reach work, they have suffered an even more severe cost: the loss of job opportunities.
Furthermore, the “20 percent” argument overlooks both the impact of past spending and the existence of current non-transportation policies that effectively subsidize highways and sprawl.
In the first half of the 20th century, government at all levels spent liberally on highway, but streetcars (the leading mode of public transit in most of the United States) were a private industry, which meant that government’s job was to tax and regulate it. So in many places, roads got not only the money devoted to roads, but also the implicit subsidy that government created by taxing and regulating the competition. And over the course of the 20th century, transit received far less than 20 percent of government transportation spending. Continue reading →
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