Joe Breda, a University of Washington PhD student, is revolutionizing cycling safety with his innovative handlebar sensor designed to identify Seattle's riskiest bike routes. In the conversation, he shares insights on overcoming fears associated with biking in traffic and how the sensor detects dangerous vehicle passes. The discussion emphasizes the impact of this technology on bike safety, driver behavior, and even urban planning. Breda's project is garnering attention and support from the local cycling community, potentially paving the way for safer rides for everyone.