Factory Pattern in Scala

SendVehicles.scala

sealed abstract class Vehicle(val go: String)
class HotRod extends Vehicle("Vrooooom!")
class Train extends Vehicle("Chooo choooo")
class Moped extends Vehicle("Bzzzzzzzzzzz")

sealed abstract class Route(val name: String)
class Highway extends Route("Interstate")
class CityStreet extends Route("Boulevard")
class TrainTrack extends Route("Rail")

object Vehicle {
  def apply(r: Route): Vehicle = {
    r match {
      case _: Highway => new HotRod
      case _: CityStreet => new Moped
      case _: TrainTrack => new Train
    }
  }      
}

object SendVehicles extends App {
  val interstate5 = new Highway
  val fifthAvenue = new CityStreet
  val bAndORailroad = new TrainTrack

  println(s"For the ${interstate5.name} our vehicle sounds like ${Vehicle(interstate5).go}")
  println(s"For the ${fifthAvenue.name} our vehicle sounds like ${Vehicle(fifthAvenue).go}")
  println(s"For the ${bAndORailroad.name} our vehicle sounds like ${Vehicle(bAndORailroad).go}")
}