In Transportation
- Cessna 177 aircraft
- Aston Martin One-77
- London Buses route 177
- New York City Subway stations include:
- Parkchester (IRT Pelham Line), a station at East 177th Street and Westchester Avenue, The Bronx, serving the 6 <6> trains
- West Farms Square – East Tremont Avenue (IRT White Plains Road Line), a station at 177th Street and East Tremont Avenue, The Bronx, serving the 2 5 trains
- 175th Street (IND Eighth Avenue Line), a station at 175th Street and Fort Washington Avenue, Manhattan, serving the A train
- Tremont Avenue – 177th Street (IRT Third Avenue Line), a demolished station at Tremont and Third Avenues in the Bronx
- Florida State Road 997 is also known as Krome Avenue and Southwest 177 Avenue
- Highways and routes numbered 177 include:
- U.S. Route 177, a spur of U.S. Route 77, runs from South Haven, Kansas to Madill, Oklahoma
- Alabama State Route 177
- Arizona State Route 177
- California State Route 177
- Connecticut Route 177
- Illinois Route 177
- K-177 (Kansas highway)
- Maryland Route 177
- Massachusetts Route 177
- M-177 (Michigan highway) (former)
- Missouri Route 177
- New York State Route 177
- Ohio State Route 177
- Pennsylvania Route 177
- Rhode Island Route 177
- Tennessee State Route 177
- Texas State Highway 177 (former)
- Virginia State Route 177
- New Brunswick Route 177, New Brunswick, Canada
- Puerto Rico Highway 177
- Route Nationale 177 links Pont-l'Évêque and Trouville-sur-Mer, France
- Japan National Route 177 connects Maizuru, Kyoto and Maizuru, Kyoto, Japan
- Port of Tanjung Pelepas Highway, Malaysia
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