busrail
Busrail is a proposed mass-transit paradigm that blends aspects of buses and rail systems. In a busrail system, buses operate on a dedicated guideway or track that constrains their path, providing the stability and speed benefits of rail while retaining the flexibility and lower capital cost of bus operations. Guidance can be achieved through a central rail, wheel-guidance, or sensor-based systems that keep the vehicle on the fixed path. Stations are located at intervals similar to light rail or bus rapid transit.
Vehicles in a busrail network are typically rubber-tired buses equipped with guidance gear, or purpose-built buses
Advantages cited for busrail include lower capital costs relative to heavy rail, greater flexibility to modify
Implementation has appeared mainly in transport studies and pilot proposals, with limited large-scale deployment to date.