List of public transport routes numbered 1

In public transport, Route 1 may refer to:


 * Route 1 (MTA Maryland), a bus route in Baltimore, Maryland
 * 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
 * Manila LRT Yellow Line
 * Line 1 Green (Montreal Metro)
 * 1 (New York City Subway service)
 * Seoul Subway Line 1
 * Shanghai Metro Line 1
 * Line 1 (Shenzhen Metro)
 * Melbourne tram route 1
 * Line 1 Yonge-University, in Toronto
 * Transjakarta Corridor 1 Blok M-Kota