Complex sentence: Sherman was a suburban line of the Pacific Electric Railway, originally built in 1896 as part of the Pasadena and Pacific, until it was discontinued in 1953; and ran between Downtown Los Angeles and the suburb of Sherman (present-day) West Hollywood.
Split into simpler sentences: Sherman was a suburban line of the Pacific Electric Railway, originally built in 1896 as part of the Pasadena and Pacific. The line ran between Downtown Los Angeles and the suburb of Sherman (present-day) West Hollywood.