Smart Mobility

V2X: How Cars Talk to the City

By Sylvie Pipkin Editorial • August 22, 2026 • 6 min read
V2X connected intersection

Green wave without stopping. V2X broadcasts signal timing, road hazards and pedestrian positions. Cars adjust speed to hit greens, cutting fuel 12%.

Infrastructure as Sensor

Intersections with LiDAR see hidden pedestrians and share over 5G URLLC (10ms latency). Even a 1990s Corolla becomes visible to autonomous stacks.

Smart intersection
5G roadside units cover 500m radius — image via CDN

Detroit's Michigan Central pilot reduced intersection crashes 35% in 6 months.