Since 2013, Chicago artist Jim Bachor has turned potholes on the city streets into mosaics. At WGN9, he writes:

What got me going with mosaics originally was the durability. I visited Pompeii for the first time in the late 1990s, and a tour guide pointed out an ancient mosaic and said, glass and marble don't fade. So that mosaic that we're looking at looks just like the artist intended 2000 years ago....

I still don't know if it's legal or not, but I have had discussions with police through the years, about a half dozen, and once they know what I'm doing they don't have an issue with it.

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More work in progress shots from the 6th Detroit install. “Bouquet” is located at Riopelle and Adelaide in Eastern Market. •••••• #bachor #jimbachor #potholeart #potholeartinstallations #muralsinthemarket #easternmarket

A post shared by bachor (@jimbachor) on Oct 5, 2018 at 7:20am PDT

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NOT FAKE NEWS! Sadly "This is not a pothole. Anymore." is on it's last legs. Check it out before it's gone! Northeast corner of Michigan and Ohio smack dab in the middle of downtown Chicago. Sad! (Photo credit: Pat Owens)

A post shared by bachor (@jimbachor) on Jan 17, 2017 at 9:06am PST

From Practical Engineering:

Traffic management in dense urban areas is an extremely complex problem with a host of conflicting goals and challenges. One of the most fundamental of those challenges happens at an intersection, where multiple streams of traffic - including vehicles, bikes and pedestrians - need to safely, and with any luck, efficiently, cross each others’ paths. However we accommodate it now or in future, traffic will continue to be one of the biggest challenges in our urban areas and traffic signals will continue to be one of its solutions.

The New York City Council voted to rename streets after hip-hop artists Christopher Wallace (aka the Notorious BIG) and the Wu-Tang Clan and folk musician/activist Woodie Guthrie. If Mayor Bill de Blasio gives his final approval, a block in Brooklyn where Notorious B.I.G. was raised will be called Christopher Wallace Way, Staten Island will have a Wu-Tang Clan District, and part of Coney Island's Mermaid Avenue will be renamed Woody Guthrie Way to celebrate his 1940s home. From Rolling Stone:

Cultural advocate LeRoy McCarthy spearheaded the efforts to rename the streets after the legendary hip-hop acts. “I’m happy that NYC officials are finally giving the city’s indigenous ‘Hip Hop’ music the respect and recognition that it deserves. It took a long time and lots of hard work to advance the Christopher Wallace Way & Wu-Tang Clan District street co-naming, but ya know what, Hip Hop Don’t Stop,” McCarthy told Gothamist.

Additionally, Woody Guthrie Way located at Coney Island’s Mermaid Avenue between West 35th and West 36th marks the section of Brooklyn where the folk legend lived in the early 1940s.

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Jaywalking shouldn't be a crime. Everyone does it; it's part of the self-governing behavior of urbandwellers, and is so routine that I've suspected it plays a crucial role in a city's everyday mobility. Countries that don't criminalize jaywalking have lower rates of people killed in traffic.

Even the police in many US cities would seem to agree that jaywalking laws are silly, because they ignore a ton of jaywalking.

The exception? Black Americans -- they're dramatically more likely to be charged with jaywalking than white folks. What's worse, several jaywalking arrests of black residents in recent years have spiraled into abuse, violence and even death -- as with Trayvon Martin, or the case that recently came to light of Johnnie Jermaine Rush: after Rush jogged away from two officers who stopped him for jaywalking, they strangled, punched and tasered him.

This, as Matt Ford argues in this excellent piece in the New Republic, is yet more evidence that jaywalking laws need to go. They're selectively enforced in a racist pattern:

Jaywalking is a trivial crime, one that virtually every person has committed multiple times in their life. This makes it susceptible to arbitrary enforcement. Sacramento’s black residents are five times more likely to receive a jaywalking citation than their non-black neighbors. Seattle police handed out 28 percent of jaywalking citations from 2010 to 2016 to black pedestrians, who only make up 7 percent of the city’s population. [snip]

Eliminating jaywalking and similar offenses won’t lead to anarchy on American roads.