A video captured three people on a powered bike blowing through a red light at 56th Street and Deer Valley Road in Phoenix, coming so close to oncoming traffic that residents say it felt like a crash was seconds away. The clip, posted after the rider ran the light, has become the latest flashpoint in a neighborhood where complaints about e-bike violations have been building for months.

Jeff Rosenthal said he was driving home when he saw the bike speed through the intersection, and the sight stayed with him enough that he shared it on Facebook. “I can't even tell you, like, just the sheer horror I saw when I saw them proceed through the intersection,” he said, adding that the post was meant to warn others rather than simply call out the riders.

For people living in Desert Ridge, the video lands at a time when e-bikes are already hard to miss. Residents say they are a common occurrence in the area, that many kids are riding motorized bikes all over the neighborhood, and that the riders are often breaking traffic laws and causing accidents. Some residents said Phoenix police have been contacted numerous times, but they believe little has been done in response.

The concern is part of a wider argument across the Phoenix area over whether local rules are catching up with the way e-bikes are being used. Arizona law divides e-bikes into three classes, but cities have moved this year to add their own limits, including park bans, sidewalk speed rules, helmet requirements and a minimum riding age of 16. Some are also adding DUI penalties, mandatory safety classes and fines for riders as officials try to slow down a problem that is showing up on neighborhood streets and at busy intersections.

The timing gives the Phoenix video extra weight. On May 29, two parents were arrested in Gilbert over their children’s e-bike violations, and on May 30 an e-bike and a vehicle collided at S Power Road and E Haven Crest Drive, leaving the rider in serious condition and not wearing a helmet. Those cases, along with Rosenthal’s post, point to the same unresolved question: whether city rules will turn into visible enforcement before the next close call becomes a serious injury.