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2021 Boston Bike Counts

Measuring bicycling in Boston

We count how many people are riding bikes at locations across the City. By 2030, our goal is to increase bicycling fourfold. Counting helps us understand trends and measure our progress. On this page, you will find data from our 2021 bike counts.

In 2021, we counted bike volumes in all four seasons. We collected counts over two days in March, June, September, and December. We started counting in all four seasons in 2020. By doing counts in all seasons, we can begin to understand how biking volumes change in different times of the year and during different weather conditions. We can also get a closer look at trends over time, including the impact of the COVID-19 pandemic.

2021 Snapshot

We counted bikes quarterly in 2021: March, June, September, and December. This is the second year we counted bikes in March or in December. You can find the summary tables for each season below.


We counted people biking at 21 locations over two days in March 2021.

  • Wednesday, March 17, 2021 - Weather: High 51°, Low 32°, Fair / Partly cloudy
  • Thursday, March 18, 2021 - Weather: High 49°, Low 38°, Cloudy / Rain

View Summary Table


We counted people biking at 33 locations over two days in June 2021.

  • Wednesday, June 9, 2021 - Weather: High 91°, Low 75°, Mostly cloudy
  • Thursday, June 10, 2021 - Weather: High 76°, Low 60°, Mostly cloudy

View Summary Table


We counted people biking at 66 locations over two days in September 2021.

  • Wednesday, September 29, 2021 - Weather: High 64°, Low 52°, Mostly cloudy
  • Thursday, September 30, 2021 - Weather: High 63°, Low 54°, Mostly cloudy

View Summary Table


We counted people biking at 21 locations over two days in December 2021.

  • Wednesday, December 1, 2021 - Weather: High 45°, Low 33°, Mostly cloudy
  • Thursday, December 2, 2021 - Weather: High 59°, Low 37°, Cloudy

View Summary Table

Explore 2021 Bike Counts

Dive into interactive maps and visualizations of our 2021 bike data.


Bike Counts Database

Use an interactive map to visualize our bike counts from 2016 through 2020. Search by location, and download hour-by-hour summaries for each day.

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