- The Challenge: High-traffic subway networks needed a visual solution to improve passenger safety and reduce “dwell time” (the time a train spends at the platform). Standard interior cabin lighting failed to clearly communicate door status to boarding passengers, often leading to boarding confusion and safety hazards during peak hours.
- The Solution: We engineered and integrated custom-contoured LED light strips directly into the vertical frames of the subway train doors. These strips utilize dynamic RGBW logic, changing color to provide real-time status updates: green for boarding, pulsing amber for “stand back,” and solid red for “doors locked”.
- The Technical Edge: Because subway trains endure extreme mechanical stress, these fixtures were designed with rail-grade vibration resistance to survive the constant acceleration, braking, and rail friction of 24/7 service. To ensure longevity in the harsh tunnel environment, the LEDs are encapsulated in a high-impact, IP67-rated housing that is impervious to metallic brake dust and high-pressure cleaning cycles.
- The Outcome: The synchronized door lighting serves as a critical visual wayfinding tool, clearly marking exit points even in crowded cars. By providing intuitive, non-verbal cues, the project significantly improved passenger flow and safety, transforming the train car into a smarter, more responsive transit environment.