The Pennsylvania Railroad's famous GG-1 high-speed electric locomotive, streamlined by industrial designer Raymond Loewy, was geared for 100 miles per hour in passenger service, and for 90 miles per hour when used in dual service. This view of No. 4892, built in 1940 by the PRR's Altoona shops, appears in the booklet Modern Power for Today's Trains. This locomotive carried its original number into the Penn Central merger, then became Amtrak 900, later 4900, before being scrapped.