Retired Professor Arrested After Blocking Delivery Robot in Philadelphia

Carolyn Marvin, a 78-year-old retired professor, was arrested and cited for disorderly conduct in Philadelphia after repeatedly refusing to move out of the path of an Uber Eats delivery robot. The incident, which occurred on Oct. 14 near Reading Terminal Market, was captured on video and has sparked debate about the increasing presence of autonomous machines on sidewalks and their impact on human employment.

Marvin stated that she has been deliberately blocking delivery robots for months as a form of protest against what she perceives as corporations using automation to replace human delivery workers. She believes that each delivery completed by a robot represents a lost opportunity for a human courier. Marvin was taken to police headquarters and subsequently released, with plans to contest the citation in court and continue her protests.

Pennsylvania law classifies personal delivery devices as pedestrians and generally requires them to adhere to pedestrian traffic rules. Notably, the state's vehicle code mandates that these robots must yield to or safely navigate around pedestrians and cyclists. This legal distinction means that delivery robots do not automatically have the right-of-way on sidewalks.

Despite the legal requirement for robots to yield, Marvin's arrest stemmed from her refusal to move after police officers responded to a disturbance. The disorderly conduct charge does not establish that robots have priority over pedestrians, nor does it definitively rule on the legality of her protest.

Companies like Uber Eats, in partnership with robotics firm Avride, are deploying these autonomous machines for short-distance food deliveries. The robots, capable of carrying up to 55 pounds and traveling up to 5 mph, offer convenience by completing deliveries without requiring a human courier or additional vehicle traffic. The service launched in Philadelphia in March 2026 and has since expanded, with robot delivery now available from multiple restaurant concepts on platforms like Grubhub as well.

This confrontation in Philadelphia is part of a larger trend of public pushback against autonomous machines in urban environments. Similar incidents, such as a robot traffic jam in Chicago, have raised concerns about pedestrian accessibility, particularly for individuals with mobility aids. There have also been reports of delivery robots making unintended contact with pedestrians in Philadelphia.

As delivery robots become more common, questions persist regarding their impact on jobs and public space. Marvin's protest highlights the tension between technological advancement and the livelihoods of human workers, prompting calls for greater transparency from companies about the impact of automation and for community input on the deployment of these machines on public sidewalks.