Abstract
Even providing the means for human displacements, passenger transport causes disadvantages that can be called disutilities, such as time and money spending, insecurity and discomfort, and, negative impacts on communities. From the National Transportation Statistics, it is possible to measure passenger transport disutilities and reaches some conclusions that can help planning and public policies of the country. The results show that Americans are wasting more time and spending more money on their cars since the 1990s. Insecurity related to traffic in all modes of transportation has decreased significantly, and the discomfort in automobiles may have experienced an increase due to improvements in the infrastructure. America is lowering its per capita emissions of local gases, but there is insufficient data for conclusions regarding the greenhouse gases.
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1 Introduction
Despite supplying the means for people’s displacement, passenger transport causes losses, inconveniences, and disadvantages that can be called disutilities. Passenger transport disutilities imposed on the passengers are time and money spending, insecurity and discomfort, and, on the society, negative impacts on communities. High levels of service imply low levels of disutility and vice-versa, and passenger transport problems are not evident by the occurrence of disutilities, but rather by its manifestation in undesirable levels [1].
This principle seems to have never been utterly present in driving the destiny of passenger transport in the world, and in the United States [1], otherwise perhaps the automobile might not have had been hegemonic, dividing its tasks with collective modes of transportation in a more equitable way, thus reducing the disutilities of passenger transportation in the country. The automobile is the preferred mode of travel for most Americans. Passenger transport in the country has always been based on it and the public transportation, although essential, plays a secondary role, and it has had a small market share [2]. These circumstances have permeated passenger transport industry (including governmental agencies) and have been shaping the official statistics, as, for example, the National Transportation Statistics, prepared by the Bureau of Transportation Statistics annually since 1970 [3].
Thus, considering that the National Transportation Statistics 2018 is one of the most comprehensive compendiums on transport and transit of the USA, it is possible to have in only one publication most of the elements that allow the country to evaluate past actions and anchor its future planning and the development of public policies [4].
Therefore, this paper aims to establish an overview of passenger transport disutilities in the USA from this source [4], adequately compiled, applying a specific and proper methodology to take measurements and corresponding analysis developed by the authors [5]. The authors conducted a similar study regarding the conditions of the Brazilian urban areas in the cities with more than 60 thousand inhabitants, representing about 60% of the population of the country, reaching satisfactory results [6].
2 Materials and Methods
2.1 Analysis of the National Transportation Statistics 2018
Table 1 shows how to assess passenger transport disutilities.
Time.
Three sets of data and information could help to understand the disutility time:
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Annual Person-Hours of Highway Traffic Delay per Auto Commuter – “the extra time spent during the year traveling at congested speeds rather than free-flow speeds in the peak periods” [4, 9];
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Travel Time Index – “the ratio of travel time in the peak period to travel time at free-flow conditions” [4, 9]; and
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Annual Roadway Congestion Index (RCI) – “a measure of vehicle travel density on major roadways in an urban area during the peak period” [4].
Despite the similarities between these indicators, all of them highlight a considerable and worrying time spending growth. Undoubtedly, people using cars in the USA are spending more time every year, from 18 h in 1982 to 42 in 2006, almost 2.3 twice more. Also, despite the small relief experienced in recent years as of 2008, the indicators have returned to their previous levels as in 2011 (Fig. 1).
Cost.
People are spending more money using their cars in the USA since 1998, considering:
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Annual Highway Congestion Cost per peak Auto Commuter – “cost of wasted time and fuel associated with congestion” [4, 10]; and
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Expenditures per Capita – the result of the indicator “Personal Expenditures by Category - millions of current dollars” [4], chained into 2014 by the US Inflation Calculator [11] and divided by the correspondent population [12].
The per capita expenditures, from a level of almost US $ 1,800 in 1960, reached US $ 3,300 in 1985 and went to US $ 3,900 in 2005 (2.2 twice more about 1960), maintaining an average at a level of US $ 3,600 during 2011 to 2014 (Fig. 2).
Insecurity.
The best indicator available for this disutility is the number of fatalities per million of inhabitants of seven modes of transportation [4], as shown in Fig. 3, and Table 2.
Discomfort.
Three indicators are gathered [4]. In any case, they are insufficient to measure this disutility completely. They are: (i) “Average Age of Automobiles in Operation in the USA” (8.4 years (1996) to 11.6 (2016)); (ii) “The Percentage in Relation of to the Total Extension of U.S. Roadway by Functions, with Fair, Poor and Very Poor Conditions Measured by International Roughness Index (IRI)” (improvement); and (iii) “Conditions of U.S. Bridges by Type of Problem and Functional System” (improvement).
Negative Impacts on Communities.
The available data/information can be considered insufficient to measure this disutility [4]. There is only one indicator related to GGE (CO2), from 1990 to 2009, (i) “U.S. Carbon Dioxide Emissions from Energy Use by Transportation Sector” (a slight increase of ±5%), and a set of others to local gases: (ii) “Highway Vehicles Estimated National Emissions of Carbon Monoxide, Nitrogen Oxides, Volatile Organic Compounds, Particulate Matter (PM-10), (PM-2.5) and Sulfur Dioxide” (decrease).
3 Results and Discussions
3.1 Main Findings, Consistency of the Results and Speculations Regarding Causes Behind Disutilities Behavior
It can be said that the National Transportation Statistics 2018 provide satisfactory elements to measure all disutilities for automobiles, except for Discomfort and Negative Impacts on Communities. Concerning the collective modes disutilities, the elements provided can be considered insufficient. The speculations by each disutility are shown in Table 3.
4 Conclusions and Outlook
According to the analysis of the National Transportation Statistics 2018, people using cars in the USA are spending more Time and money (Cost) at least since the 1990s.
There is no data and information available concerning Time and Cost disutilities for collective modes. On the other hand, for all modes of transportation, Insecurity disutility has decreased. Regarding Discomfort, there is not enough data to establish a definite outcome, although this disutility seems to have decreased in automobiles, even they have gotten older, but mainly due to improvements in the infrastructure.
Finally, when it comes to Negative Impacts on Communities, this disutility can only be measured regarding local gases (revealing a significant decrease). The National Transportation Statistics 2018 shows some gaps, both by the lack of more detailed data for local gases concerning data for each mode of transportation and by the lack in the historical series interrupted in 2009 for GGE taken only for the transportation sector, which is delaying a conclusive judgment on this point.
Further studies are needed to confirm the main findings of this paper and to extend the knowledge of passenger transport disutilities in the USA. Nevertheless, it is hoped that the findings encourage the development, production, and dissemination of statistics on the disutilities of passenger transport, preferably measured in per capita costs for all transportation modes to improve the understanding of the problems and to expand public policies beneficial to all.
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Raymundo, H., dos Reis, J.G.M. (2019). Passenger Transport Disutilities in the US: An Analysis Since 1990s. In: Ameri, F., Stecke, K., von Cieminski, G., Kiritsis, D. (eds) Advances in Production Management Systems. Towards Smart Production Management Systems. APMS 2019. IFIP Advances in Information and Communication Technology, vol 567. Springer, Cham. https://doi.org/10.1007/978-3-030-29996-5_14
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