Our project, Community Autonomous Remote Speed Sensor (CARSS), aims to empower communities with the ability to monitor vehicle speeds in their neighborhoods autonomously. This initiative stems from an increasing awareness and concern for road safety, particularly in areas frequented by vulnerable groups such as children and the elderly. The concept is simple yet impactful: a portable, open-source device that can measure and report the speed of passing vehicles to a central database accessible over the internet. CARSS stands at the intersection of technology and community safety, offering a unique contribution to the realm of public health and safety. This project is rooted in the tradition of community-led initiatives that leverage technology for public good, like other environmental and safety monitoring system initiatives started by the Tomorrow Foundation. CARSS empowers local communities to make informed decisions and advocate for safer roads.