<Tr> <Td> This diagram: <Ul> <Li> view </Li> <Li> talk </Li> <Li> edit </Li> </Ul> </Td> </Tr> <Ul> <Li> view </Li> <Li> talk </Li> <Li> edit </Li> </Ul> <P> The Silver Line is a limited - stop bus route with some bus rapid transit features operated by the Los Angeles County Metropolitan Transportation Authority (Metro). The Silver Line route runs between the El Monte Station, Downtown Los Angeles, South Los Angeles, the Harbor Gateway Transit Center in Gardena and San Pedro . </P> <P> The Silver Line offers frequent, all - stops service along the El Monte Busway and the Harbor Transitway, two grade - separated transit facilities built into the Los Angeles freeway system . The Silver Line was created as part of the conversion of the El Monte Busway and the Harbor Transitway from lanes reserved for buses and high occupancy vehicles into the Metro ExpressLanes that allow solo drivers to pay a toll to use lanes . The tolls collected have been used to operate the Silver Line and to improve amenities at stops . </P>

Is the metro silver line a bus or train