This file is the output of the permanent traffic count station at the intersection of Hampshire Street at Portland Street. The station counts all bikes in the bike lanes and all vehicles leaving the intersection in each direction on Hampshire Street.

This bicycle count data is collected as part of the City of Cambridge’s regular citywide bicycle counts. These counts are typically done on weekdays (Tuesday-Thursday) in September, annually between 2002-2006 and every other year since 2008, with an additional count in 2019 due to poor weather in 2018. See also this web app with data visualization tools and more background information on using and interpreting the data.