John Greenfield

In addition to editing Streetsblog Chicago, John has written about transportation and more for many other local and national publications. A Chicagoan since 1989, he enjoys exploring the city and region on foot, bike, bus, and train.

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jgreenfield@streetsblog.org

Traffic Safety

Pritzker signed “Stop Super Speeders” law, which will allow repeat offenders to drive if they use technology that forces them to obey posted speed limit

John Greenfield

June 27, 2026

Traffic Crashes

A crash injured a bike rider in North Center. Witnesses – including a 47th Ward staffer – indicate SUV driver should have been cited for an illegal turn, but wasn’t.

John Greenfield

June 26, 2026

Streetsblog Chicago

Today’s Headlines for Friday, June 26

John Greenfield

June 26, 2026

Today’s Headlines for Thursday 6/25

John Greenfield

June 25, 2026

Sustainable Transportation Advocacy

Today’s Headlines for Wednesday, June 24

John Greenfield

June 24, 2026

Complete Streets

Talking with A Four Star Podcast about bike safety issues in the wake of CDOT Planner Riley’s O’Neil’s tragic death

Other topics we discussed included the mayor missing the train on nominating a CTA president, and going to the Obama Center grand opening car-free.

John Greenfield

June 23, 2026

Today’s Headlines for Tuesday, June 23

John Greenfield

June 23, 2026

Sponsored by National Charter Bus - Chicago

Today’s Headlines for Monday, June 22

John Greenfield

June 22, 2026

Sponsored by National Charter Bus - Chicago

Today’s Headlines for Friday, June 19

John Greenfield

June 19, 2026

Eyes on the Street

Yes we can… get to the Obama Center without driving

Sustainable transportation scenes from today's Obama Presidential Center Grand Opening

John Greenfield

June 18, 2026

OLDER