Archive | Chart

Chart of the Day: US Cities by Techie-ness versus Affordability

Here’s a fun chart from Bloomberg and data viz whiz Dorothy Gambrell. It shows US cities plotted along two axes. On the Y-axis, you have what they call “the good stuff,” a metric that combines education, tech investment, biking / transit, and other economic measures that match the Silicon Valley / Bay area. On the […]

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Chart of the Day: Projected Decline of Individual Car Ownership

Here’s an eye-opening chart for your Thursday. It comes from a RethinkX (a think tank) report released earlier this Spring. The report is titled “Rethinking Transportation 2020-2030: the disruption of transportation and the collapse of the internal-combustion vehicle and oil industries.” The chart shows a projected shift away from individual car ownership and to something […]

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Chart of the Day: Saint Paul Bike Traffic Before and After Bike Lanes

“There aren’t enough bikes here to justify a bike lane…” I hear some variation of that line with almost every bike project, no matter where it’s located. Especially for people that rarely ride bicycles, it can be a pretty convincing argument! But it’s not that simple. Bicycling is deeply connected to street design, and (as […]

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Chart of the Day: US Population Growth by Age Cohort

Here’s a chart from a new study (via Ritholtz) about the big picture of US demographics. To make a long story short, older people! The report, titled “America’s Demographic Challenge: Understanding the Role of Immigration“, is all about how aging and population dynamics intersect with ethnic and racial difference. In Minnesota, as in the rest […]

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Chart of the Day: Necessary Road Space per Traffic Mode for Houston Metro Evacuation

Right now, even in Minnesota, all eyes are on the flooding and storm impact in Houston, Texas. Earlier today I read an article about why the Mayor of Houston did not put out a call for an evacuation of the city ahead of the landfall of Hurricane Harvey. It turns out the answer was that […]

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Chart of the Day: US Speeding-related Fatalities by Speed Limit and Land Use

Here’s the most interesting chart IMO from the recent NTSB report on the connection between speeding and fatal crashes in the US. The report is lengthy, and tends to focus on automobile crashes on highways, but there are some interesting takeaways. Here’s the chart itself [emphasis mine]: Here’s how the report describes the data behind […]

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Chart of the Day: US Pedestrian Deaths by Race/Ethnicity

Here’s a pretty simple chart from “Dangerous by Design“, Smart Growth America’s three-year-old report on pedestrian safety: The key point on the report’s summary explaining these statistics: Who are the victims of these collisions? People of color and older adults are overrepresented among pedestrian deaths. Non-white individuals account for 34.9 percent of the national population but make […]

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Chart of the Day: Poverty versus Distance from City Center

Here’s a chart from the must-read City Observatory website, written by Joe Cortright. This one has a great chart that shows the link between “distance from city center” and poverty rates. The data comes from a recent study by the Joint Center on Housing Studies at Harvard. Here it is: Here’s the takeaway from Cortright, who […]

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Chart of the Day: Visualizing Our Backlog of Home Building

Many people have observed on this site and others that we’re not building enough housing in the United States, and that this has a significant impact on affordability. Housing lasts for a long time if properly looked after, so if the population and people’s household arrangements don’t change, we don’t need to build much housing. Neither […]

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Chart of the Day: Costs of Driving a Car

Here’s a chart from an excellent ten-year-old report out of the Victoria Transport Policy Institute called “Socially Optimal Transport Prices and Markets” that stands up pretty well today. The 50-page report goes into detail about different country’s incentives for driving, walking, transit, and bicycling in an effort to explain why country’s transportation systems are so […]

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