A Line

A Line or A-line may refer to:

Transport

United States

• A (Los Angeles Railway), a former streetcar service in California
• A (New York City Subway service), a rapid transit line
• A Line (Los Angeles Metro), a light rail line in Los Angeles County, California
• A Line (RTD), a commuter rail line in Colorado
• A Line (Valley Metro Rail), a light rail line in Arizona
• Metro A Line (Minnesota), a bus rapid transit line in Minneapolis-Saint Paul, Minnesota
• RapidRide A Line, a bus route in King County, Washington
• Atlantic Coast Line Railroad, a former railroad in Florida

Other countries

• A-Line (Hamilton), a planned rapid transit line in Hamilton, Ontario, Canada
• Line A (Buenos Aires Underground), in Argentina
• RER A, a commuter rail line in Paris, France

Other uses

• A-line (clothing), a style of skirt or dress
• Arterial line, a thin catheter inserted into an artery
• A-line, a finding in medical ultrasound of the lung
• A-line bob, one of several bob cut types

See also

• A–A line
• Aline (disambiguation)
• Line A (disambiguation)
• Line (disambiguation)