Trains on the line are currently a highly unusual design, featuring entirely lateral 3+2 high backed seating, used on no other LU line. This is due to the long journey times with infrequent stops, so provides maximum seating space at the expense of overall passenger capacity. The line is one of the quietest on the network, and is mostly used for long distance suburban journeys, and with its mix of "fast" and "slow" trains shares more in common with suburban commuter rail than mass transit. When the existing 1960s stock is phased out in the next few years, the line will receive the standard new air conditioned sub-surface stock, which will be shared across several lines and feature a more conventional arrangement. | Trains on the line are currently a highly unusual design, featuring entirely lateral 3+2 high backed seating, used on no other LU line. This is due to the long journey times with infrequent stops, so provides maximum seating space at the expense of overall passenger capacity. The line is one of the quietest on the network, and is mostly used for long distance suburban journeys, and with its mix of "fast" and "slow" trains shares more in common with suburban commuter rail than mass transit. When the existing 1960s stock is phased out in the next few years, the line will receive the standard new air conditioned sub-surface stock, which will be shared across several lines and feature a more conventional arrangement. |