Most Efficient Mass Transit Systems in the United States

1. New York City Subway

• 468 stations
• 24 lines
• 37,600 riders per mile

2. Washington D.C. Metro

• 86 stations
• 5 lines
• 9,000 riders per mile

3. Chicago L

• 145 stations
• 8 lines
• 7,000 riders per mile

4. Boston MBTA

• 119 stations
• 4 lines
• 15,000 riders per mile

5. San Francisco Bay Area Rapid Transit

• 44 stations
• 5 lines
• 9,000 riders per mile