Parking: waste of urban space

Parking: Waste of urban space

Image: Pablo029 / CC BY-SA-4.0

A groundbreaking examination of 5 bads in the US sets a luxurious mass of parking spurts that devour many resources

The traffic problem in the city knows everyone. The cars are almost the whole day unmoved on parking straps and eating a coarse part of the traffic flats of the urban area. But these are too small in the inner states, which is why a good part of the traffic, one speaks of about one third, caused by parking search, causing larm and air loading and consumed a lot of gasoline and time. Private parking, underground garages and parking garage can not solve the problem, especially as it seems to be that a coarse range of parking space – as well as straws – increases traffic.

It is not easy to scramble how much flat of resting and moving traffic in a city needed. You can connect the traffic area of a city with the number of cars. When it was done about Ubeeqo, from an average car, a mid-range car with a long of 4.25 meters and a width of 1.79 meters, then each vehicle occupies 7.6 square meters of flat. In doing so, much remains inclusive, such as the actual average rough of the vehicles, justucrified also trucks, buses, delivery vehicles etc. To the vehicle inventory of a city. There are not all vehicles registered in the city in this, including the vehicles of private or business visitors. And then not all vehicles park on public flats, but also in underground garages or private racks.

After the approach, Munchen is the worst way in Germany. With 0.49 cars per inhabitant, 12.5 percent of the traffic surface or over 5,300 square kilometers serve as a parking space. It is interesting that other bads like Karlsruhe with a funft of the inhabitants have a high density of cars (0.85 per inhabitant), but these "only" 11 percent of the traffic surface. In Leipzig, 0.39 cars come to a resident, which is why space consumption is only 5.74 percent. In the bicycle city of Munster there are more cars (0.45 per inhabitant). But the space consumption is only 4.55 percent. Of course, that owes less to the beads, but rather the fact that the flat in the ratio is to the inhabitants of gross, so there is simply more space than in a poet urban room.

In small US bads, the ratio of parking space and residential density is sometimes grotesque

Eric Scharnhorst from the Research Institute for Housing America has now examined how much space parking in Funf American Stadt claims and the costs associated with. It is also interesting to distinguish how much above all rough dates are different from smaller city. Scharnhorst has the situation in New York, Philadelphia, Seattle, the Moines and Jackson, Wyoming, based on the data of satellite images, the statistics workers, the basic tax stamp, the traffic homes of the city, park administrations and cards such as Google Maps for an inventory of the parking flats to capture. This is reflected on parking on the strain, surface parks next to the straws and structured parking flats, so a parking space created room on the surface or parking garage.

Striking is that there are much more park rumors in Cities that are smaller, as in coarse bats – and that this costs the communities much more. So the Moines has 215.000 inhabitants proud 30 parking lot per acre (4043 square meters), this is twenty times more than the inhabitant density (1 household per acre). In other words, 20 parking spaces come on a household. In New York, the inhabitant density amounts to 16.2 households per acre, but there are only 10.1 parking spaces per acre. In the whole of New York there are 1.85 million parking spaces (underground garages were not recorded) for 8.7 million inhabitants, in the Moines, on the other hand, 1.6 million.

Little surprising that in New York the public transportation is used more and more expanded. At the most absentest is the ratio in the smallest city, in Jacksonville with just over 10.000 inhabitants where there is a ACRE 53.8 parking lots and 2 households. 37 percent of the flat is parking space, but the coarse part is empty. Seattle has a little more than 700.000 inhabitants a parking space density of 29.7 and a home density of 5.2 per acre. Again, the available parking is used a maximum of two-thirds.

Cars is snapped too much space, which comes the bads expensive

Scharnhorst has calculated what a parking lot per inhabitant costs in the city. For New York, the most densest populated and coarse city, he just comes to $ 6500. That also states that the straws are the coastely parking flakes and come cheaper than when there are more parking and parking garage like that in Seattle or the Moines is the case. The smaller the city, the more the inhabitants cost the free-conditioning of parking space before other use, even if that does not increase linear. He comes to 117 for Seattle.000 US dollars, for the smallest city of Jacksonville on huge 192.000 US dollars.

Result of the investigation is that at their entire flat unnotally unnoticity is too much room as a parking space and simultaneously spend a lot of money, especially for parking garage, especially as the trend is also going on in the US that fewer cars are used and the number of cars per household sinks. One of the problems is in the urban planning. Thus, at each building permit, parking is also required without the city capturing the stock of all parking lots.

Scharnhorst speaks of one "Luxurious mass of parking straps", which was created with coarse expenses. In the 5 bads, the value of his estimates corresponds to 81 billion US dollars. In the future, the city should use the opportunities to use unobtrocated parking space for other purposes, for example, for a compaction of the development, during public transport should be expanded.

However, the estimation remains a complex undertaking, because hardly forges is to be foreseen whether the parking space requires social and technical trends. If autonomous vehicles come in masses, so it is by no means identified whether this leads to a declining traffic and to fewer cars per household. Although the owners / users were able to save time by looking for the cars selfishly looking for a parking lot. It is also not clear if the forwards of too few parking straps is better than from too many.

The urbanist Richard Florida, who has experienced the concept of creative class, demands in view of the results of the study: "It is time for us to resist our city’s carnation and use the room for what we need more, from living and cycling to strab coffee and parks." But then the humbles also had fewer cars and use them.

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