Complex sentence: The highest recorded speed of a maglev train is, achieved in Japan by Central Japan Railway Company's (JR Central) MLX01 superconducting maglev in 2003, faster than the conventional wheel-rail speed record set by the TGV.
Split into simpler sentences: The highest recorded speed of a maglev train is, achieved in 2003 in Japan by JR Central's MLX01 superconducting maglev. This is faster than the conventional wheel-rail speed record set by the TGV.