New and Current Bicycle Projects

The City of Cambridge continually evaluates locations where large and small scale bicycle infrastructure improvements can be made to increase safety and meet our Vision Zero goals. This page highlights bicycle facility improvement projects completed in 2020, but it is not an exhaustive summary of all bicycle improvements. For older completed bicycle facility projects, click here.

Click on an image below for a larger picture of that project. For descriptions on the different types of bicycle facilities, click here. For a map view of the City's current and planned bicycle facilities, click here.

By the Numbers
Updated January 2022

In the past year, 4.08 miles of bicycle facilities and markings have been added in Cambridge, bringing the total to 101.70 miles. For a breakdown of length by facility type, see the table below. Click on the chart to see the City's bicycle facilities growth from 2004-2020.

Facility Type  Length (Miles) 
Bike Path/Multi-use Path 36.49
Bike Lane 34.18
Separated Bike Lane 7.54
Grade-separated Bike Lane 4.86
Two-way Separated Bike Lane 1.86
Buffered Bike Lane


Contraflow Bike Lane 0.50
Bus/Bike Lane 0.66
Shared Lane Markings 13.26
Shared Street 0.41
Total 101.70

 Bicycle Facilities Graph 2020 

Bicycle Facility Improvements New in 2020

Separated Bike Lanes

Lafayette grade-separated squareMass Ave northbound from Sydney St to Douglass St
Webster Ave separated squareWebster Ave from Cambridge St to Somerville line
Ames two-way square
Ames St two-way from Main St to Memorial Dr
Inner Mt Auburn separated square
Mt Auburn St eastbound from Eliot St to Holyoke St & DeWolfe St to Banks St
DeWolfe contraflow square
DeWolfe St/Bow St/Quincy St contraflow northbound from Mill St to Broadway

DeWolfe two-way squareDeWolfe St two-way from Memorial Dr to Mill St

Quincy two-way squareQuincy St two-way from Broadway to Cambridge St

Harvard Sq separated squareMass Ave northbound at Harvard Square plaza

Vassar St extension squareVassar St extension to Main St

Galileo Binney Separated squareGalileo Galilei Way/Binney St from Sixth St to Broadway

Bike Lanes

Bank contraflow square
Banks St southbound contraflow from Mt Auburn St to Cowperthwaite St

Bus/Bike Lanes

Inner Mt Auburn busbike square
Mt Auburn St bus/bike lane from Banks St to Putnam Ave

Shared Lane Markings

Little Binney SLM squareLittle Binney St from Cardinal Medeiros Ave to the Grand Junction crossing

Other Marking/Facility Improvements

Cambridgepark Dr flexposts squareCambridgepark Dr flex posts
Thousand Islands stop on red square
Mass Ave northbound at Cambridge Common crossing "Stop Here on Red" and green paint
Inman Sq contraflow squareCambridge St vehicle lane removal and contraflow from Hampshire St to Prospect St
James green square James St contraflow green paint
 Hampshire curve squareHampshire St green paint at curve approaching Broadway
 Quincy crossing squareBroadway green bike crossing at Quincy St
 Memorial Dr bike crossing squareMemorial Dr green bike crossing at DeWolfe St
 Quincy bike box squareBike box turning from Broadway to Quincy St
Mass Ave at Windsor crossing squareCurb separation at Mass Ave crossing at Windsor St

Green Intersection Treatments

  • Massachusetts Ave at cross streets between Cambridge Common and Porter Square, curbside at Porter Square Station
  • Sydney St at Green St, Pilgrim St, and Pacific St
  • Eliot St at Mt Auburn St and Bennett St


  • Cambridge St separated bike lane
  • Little Concord Ave
  • Sparks St from Huron Ave to Brattle St
  • Aberdeen Ave
  • Brookline St
  • Hawthorne St
  • Hampshire St from Cardinal Medeiros Ave to Broadway
  • Trowbridge St from Mass Ave to Harvard St
  • Huron Ave from Cushing St to Grove St

For More Information

For more information about bicycling in Cambridge, please contact Cara Seiderman at or 617/349-4629.