Advantages

  • Compared with regular cars,rail freeway systems
    • use much smaller space for same number of cars
    • are more energy efficient
    • have higher potential to slow down global warming
    • are safer because vehicles are automatically controlled along railways
    • are more enjoyable because passengers are free to do things they want on railways
  • Compared with electric carsrail freeway systems
    • use much smaller space for same number of cars
    • are more energy efficient
    • Are more time efficient because the vehicles are charged on when running on railways
    • are more environmentally friendly because the vehicles use much smaller batteries
    • are safer because vehicles are protected when running along rail tracks
  • Compared with bullet train system,rail freeway systems 
    • can be extremely low in or even free of land costs because they can be built on the spare spaces of govern-mentally owned lands, such as the green belts by highways, median zones or sides of main streets, or even the sides of water channels
    • can be significantly lower in construction costs because the rail tracks can be dramatically lighter due to the facts that vehicles have much lower weights and their weights are spread along the whole railways, while the weights of bullet trains are more concentrated to a short section
    • Can be even cheaper because there is  no need of building luxury stations,  parking lots,  passenger attendants, and vehicle maintenance
    • Can be used to greatly relieve traffic congestion problems in most cities in the world
    • are more applicable and ideal for daily metropolitan commutes
    • are more economical for long-distance travels in countries and areas of low population densities
    • have lower costs for rail maintenance and emergency operation when they are built along highways and main streets, which are easy for operation vehicles and personnel to get access
    • are more customer-friendly, thus, should have much higher rate of usage and more profitable because they allow people to keep their own privacy and have the freedom to decide their own travel time
    • are free of long-hour security check
    • have less chance of terror attacks.