In public transport, Route 1 may refer to:

Barcelona Metro line 1 Line 1 (Beijing Subway) Line 1 (Hangzhou Metro) Citybus Route 1 in Hong Kong KMB Route 1 in Hong Kong London Buses route 1 Route 1 (Malta) Manila LRT Yellow Line Route 1 (MTA Maryland) Route 1 (MBTA) in Massachusetts Melbourne tram route 1 Line 1 Green (Montreal Metro) 1 (New York City Subway service) 1 California (bus line) in San Francisco Seoul Subway Line 1 Shanghai Metro Line 1 Line 1 (Shenzhen Metro) Line 1 Yonge-University in Toronto Transjakarta Corridor 1

See also Line 1 (disambiguation)