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Category Archives: Useful Data

Commuting Data for 2016

By | | Transportation, Useful Data
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Last week, the Census Bureau posted 2016 data from the American Community Survey, including population, income, housing, employment, and commuting data among many other categories. The survey is based on data from more than 3.5 million households. Today, the Antiplanner will look at commuting data: how people got to work in 2016 compared with previous years.

To save you time, I’ve downloaded and posted 2016’s table B08301, “Means of Transportation to Work,” for the nation, states, counties, cities, and urbanized areas. I’ve also posted similar tables for 2006, 2010, and 2015.

In columns Z through AE, I’ve calculated the shares of commuters (excluding people who work at home) who traveled to work by driving alone, carpooling, transit, rail transit, bicycling, and walking. (These won’t quite add up to 100 percent as are other categories such as taxi and motorcycle.) Only some cities, counties, and urban areas are included because others were too small for the sample size to be valid. Since the places that are included may vary from year to year, the rows of the various spreadsheets do not line up below the state level.

The data show that, nationwide, transit’s share of travel grew from 5.03 percent in 2006 to 5.49 percent in 2015. This growth was at the expense of carpooling, as driving alone’s share also grew. In 2016, however, transit’s share fell to 5.36 percent while both driving alone and carpooling grew. Continue reading →

New Driving Data

By | | Transportation, Useful Data
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The Federal Highway Administration has just released urban highway statistics for 2015, including the miles of roads and daily vehicle miles of driving by road type and “selected characteristics” for each urban area, including population, land area, freeway lane miles, and similar information. These data are quite useful as they allow interregional comparisons as well as, when combined with past data, a look at trends over time.

For example, the Los Angeles urban area is more than twice as dense as the Houston urban area, yet both report the same number of miles of driving per capita (see population note below). Though there is a weak correlation between density and driving, it isn’t as strong or as certain as urban planners would like you to believe.

As published by the FHwA, each table of more than 400 urban areas is divided into nine worksheets of 50 urban areas. Since this is clumsy, I’ve copied-and-pasted them into one worksheet each, which you can download for the miles of roads and selected characteristics. Continue reading →

2015 National Transit Database

By | | Transportation, Useful Data
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If you downloaded the summary file for the 2015 National Transit Database that the Antiplanner posted December 30, please do so again (link fixed). I discovered I made an error transferring the operating cost data from the raw files to this summary sheet, and the revised version corrects this error.

The revised version, which is about 1.6 megabytes, also has a lot more calculations in it. These include vehicle occupancy (passenger miles divided by vehicle revenue miles), average number of seats per vehicle, and average standing room per vehicle. They arise that how cipla viagra works – inflating claret breeze to the genitals. Stimulants pills have been used to cure ADD for more than three decades. generic levitra The problem is professional spammers end up with sildenafil free shipping the list of valid names and addresses and use the list to generate more spam to your in-box. So lets take a look at which are used to improve that part of the body, and if there is interference (subluxation) in this communication pathway real problems happen. generic cialis professional Some columns calculate operating and maintenance costs per passenger mile or vehicle mile, but these should be used with care as maintenance costs can vary tremendously from year to year.

2015 Transit Data

By | | Transportation, Useful Data
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As I promised yesterday, I’ve compiled what I consider to be the most important data in the 2015 National Transit Database into one spreadsheet. These data include trips, passenger miles, vehicle revenue miles & hours, weekday trips, fares, operating costs, maintenance costs, capital costs, BTUs of energy consumption, and grams of carbon dioxide emissions.

The 2015 database is expanded from previous years, which just included data from transit systems in major urban areas over 50,000 people. The 2015 data also include transit systems in minor urban areas of under 50,000 people, rural areas, and Indian reservations. The major urban area data fill the first 2,066 lines of the spreadsheet, while the rest fill the next 1,549 lines. The major urban areas accounted for 10.377 billion transit trips in 2015, while the smaller areas accounted for a mere 128 million trips.

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New Transit Data

By | | Transportation, Useful Data
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The Federal Transit Administration has posted 2015 transit data as part of the National Transit Database. However, the Department of Transportation’s new web sites have made downloading data fairly tedious.

To save you time, I’ve downloaded the data and then uploaded them in two zip files. First is the Historic Time Series showing data from 1991 through 2015. Second is a more detailed 2015 database, providing safety, energy, and other detailed data not found in the historic time series. Each of these files is between 10 and 11 megabytes in size.

For simple things such as capital costs, operating costs, fares, trips, and passenger miles, the historic time series is an excellent source of information. The most useful files are table 2.1, “operating expenses and services,” which has separate sheets for operating costs, fares, vehicle revenue miles and hours, trips, and passenger miles, and table 3.1, “uses of capital costs,” which has capital expenses. All of the sheets in these two tables break down data by transit agency and mode. Unfortunately, the capital expense sheet does not break down the difference between new projects and maintenance of existing projects.

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The New Housing Bubble

By | | Housing, News commentary, Useful Data
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Because the past few years have seen the slowest recovery from a recession on record, the Federal Reserve Bank has been keeping interest rates low and in fact cutting them to almost zero. But this has raised concerns among leading bankers that the low rates are producing another asset bubble, including another housing bubble.

The above graph shows the home price index for several metropolitan areas calculated by the Federal Housing Finance Agency using the Case-Shiller method. (The official Case-Shiller Index published by Standard & Poors doesn’t include as many metropolitan areas as the FHFA index.) It shows that, not only are housing prices rising again, in some urban areas–on the chart, Honolulu, San Francisco-Oakland, San Jose, and Seattle–already have prices much greater than they were at the peak of the 2006 bubble. It seems likely that these prices are going to crash again soon.

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2014 Transportation Energy Data Posted

By | | Transportation, Useful Data
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The energy efficiency of the average car on the road increased slightly in 2014 as did air travel, but the average light truck and Amtrak used slightly more BTUs per passenger mile in 2014 than in 2013. That’s the finding from the latest edition of the Transportation Energy Data Book (6.5-MB PDF), which was posted on line on Monday. Specifically, these numbers are from tables 2-15, highway modes, and 2-16, non-highway modes.

The book is published each year by the Department of Energy’s Oak Ridge National Laboratory. In addition to the book in PDF format and the individual spreadsheets for each of the 250 tables in the book, they usually have a link to all the spreadsheets in ZIP format, but the isn’t available yet.

According to the spreadsheets, most forms of urban transit became a little more energy efficient in 2014. I suspect declining fuel prices will produce some different results for 2015. Transit ridership is falling, so transit’s energy efficiency per passenger mile is likely to decline, as is Amtrak’s. If falling fuel prices allowed airlines to keep fares lower and fill more seats, airline fuel efficiencies may increase.
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Driving Alone to Work without a Car

By | | Transportation, Useful Data
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The share of American workers who live in households with no vehicles yet nonetheless drive alone to work grew from 20.4 percent in 2014 to 20.9 percent in 2015, according to the latest American Community Survey. This growth came at the expense of slight declines in carpooling, transit, work-at-homes, and “other” (taxi, bicycle, motorcycle), while walking to work increased slightly. No one knows for certain how people with no cars drive alone to work, but most probably use employer-supplied vehicles.

You can download 2015 commuting data by numbers of vehicles in the household for the nation, states, and counties, cities and other places, and urbanized areas. For comparison, 2014 data for the nation, states, and counties, cities, and urbanized areas are also available.

Only 4.5 percent of American workers live in households with no vehicles, a share that remained stable from 2014 to 2015. Nearly a third of them are in the New York urban area. Outside of the New York area, the only places with double-digit vehicle-less households tend to be in the Boston, San Francisco-Oakland, and Washington, DC urban areas.
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Housing Affordability in 2014

By | | Housing, Useful Data
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For the United States as a whole, the value of a median-priced owner-occupied home increased from 2.7 times median family incomes in 2013 to 2.8 times in 2014. The 2014 numbers are from the 2015 American Community Survey, which estimates both home values and family incomes for the year before the survey. In the survey, median family incomes are found in table B19101 while median home values are in table B25077.

You can download my spreadsheets combining data from these two tables from the 2015 survey (which, remember, are for 2014) for the nation, states, and counties, urbanized areas, and cities and other places. For comparison, data for 2013 (from the 2014 survey) can be downloaded for nation, states, and counties, urbanized areas, and cities and other places.

In places where land for new housing is abundant, value-to-income ratios tend to hover around 2. Value-to-income ratios above 3 suggest real or artificial limits on the ability of homebuilders to meet the demand for new housing. While the national ratio of 2.8 is worrisome, many states are well under this ratio.

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2015 Commuting Data

By | | Transportation, Useful Data
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The share of commuters driving alone to work grew from 80.0 percent in 2014 to 80.3 percent in 2015, according to the Census Bureau’s American Community Survey. This increase came at the expense of carpoolers; the share of people taking transit, walking, and cycling remained the same.

The Census Bureau posted 2015 data early this month, giving data junkies lots of information to play with. The bureau has conducted the American Community Survey every year since 2005 based on surveys sent out to about 3.5 million households each year. This makes it far more reliable than a typical poll, which usually surveys only a few hundred people. However, the data should still be used with caution for small categories, such as the number of Latinos living in households with no cars who walk to work in Buffalo, New York.

To save you time, the Antiplanner has downloaded journey-to-work data, table B08301, for the nation, states, and counties, urbanized areas, and cities and other places. For comparison, I’ve also posted the same raw data for 2014: nation, states, and counties, urbanized areas, and cities and other places.

Continue reading →