The People

In a typical weekday, 425,000 people enter a station along the red, orange, or blue lines. On weekends and holidays, that number drops to 200,000. The busiest day was Friday February 7 when 470,187 people entered the system.

This heatmap shows the average number of people that enter and exit stations along the red, orange, and blue line for every hour over the entire month based on records from turnstiles at each station. Each row represents one week. You can see weekends and weekdays with daily peaks at rush hour, as well as a holiday, and two snow storms. Our exit data is less reliable since not all stations require that people exit through a turnstile.

Entrances and Exits from All Stations during February 2014

The table and map below breaks down February's turnstile entries and exits by station. Hover over a row in the table to highlight the corresponding circle on the map, or vice-versa. Click on a row in the table to show a detailed heatmap for the entrances to and exits from that station over the month. Click and drag on several table rows to highlight a range of stations.

You can see the busiest stations are all along the Red Line. Harvard topped the list, followed close by South Station , and then Downtown Crossing . Next to each station are heatmaps showing entrances and exits to each station per-hour for weekdays and weekends/holidays. You can see that some stations are work stations since their exits peak in the morning and entrances peak in the afternoon and that some stations are home stations since their entrances peak in the morning and exits peak in the afternoon. Some stations are just busy all the time.