Here is an interesting idea from the City of Mission in Kansas, USA. The City wants to charge fees based on how much traffic a development generates. Developments that generate more traffic and thus more wear and tear on the roads will be charged more. The article, from the Kansas City Star states that:

Larger businesses that generate lots of traffic, such as Mission Bank, could pay $5,659 a year. A drive-thru fast food restaurant could pay $12,200 a year. Target could pay as much as $64,750 annually.

From the article it sounds like this is a set fee, based on looking up an ITE trip generation table (or similar) to tell you how much traffic a certain development type will generate per unit area (usually per 1,000 sq ft). This in itself is an outdated approach of course, as surrounding land use and density have a vital role to play in influencing the trip generation of a certain development type. However, it is a good idea in theory. I would suggest a couple of improvements to this approach, that would further promote smart growth principles. Firstly, it should include a factor which acknowledges that building a McDonalds (for example) in a higher density, pedestrian friendly area will generate less traffic than building one out in suburbia on a strip mall. This would financially encourage developers to locate in built up, walkable neighbourhoods, as it will cost them less in ‘traffic tax’. Even better, for larger developments, this should be done dynamically. With a permanent traffic counter (or temporary one used at regular intervals) on a site driveway, the number of trips the development generates can be regularly monitored. The more car trips, the more tax they pay. Therefore reducing these trips has a direct financial advantage for the owner. This would make developers think about the location that they build in, but also strive for continual improvements in the travel mode of their employees and visitors. A potential drawback of this approach is that municipalities receive less tax revenue if developments successfully implement vehicle reduction strategies.

Of course, the traffic counter approach only works if each development provides its own parking supply. In urban centres, it is good practice to have a pooled parking supply of on-street parking and municipal owned public parkades. In conclusion therefore, making developments that generate more traffic pay more for the upkeep of the roads makes sense, but the system needs to reward location and potentially other measures such as TDM strategies that an individual development may wish to implement.

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