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City of
Cambridge
Department of Transportation > News > Traffic Alerts October 3-4

Upcoming Weekend Cambridge Traffic Impacts: October 3 - 4

The City of Cambridge is notifying residents, businesses, and visitors of street closures and traffic impacts from Saturday, October 3 to Sunday, October 4 due to the rescheduled Thai Market and the Cambridge Fall Classic 5K.

Please follow all posted detour and parking restriction signage, plan ahead, and consider using alternative routes or modes of transportation.  

 

*Saturday, October 3: Thai Market

  • Street Closures and Impacts:
    • Brattle St between Brattle Plaza and Story St
    • Church St between Church St parking lot & Brattle St
  • Time of Closures:
    • 9:00 AM - 8:00 PM
  • Rain Date: October 3

*The original date was on September 26 and was rescheduled due to the weather.

Find more information on their website.

 

 

Sunday, October 4: Cambridge Fall Classic 5K

 

  • The following roads will close during the race:
    • Sidney St from Franklin St to Pacific St, closed from 9:00-10:30
    • Franklin St, closed from Brookline St to Sidney St from 9:00-10:15
  • Time of Closures:
    • 9:00 AM ~ 11:00 AM
  • Expect traffic impacts, but no closures, along the rest of the route. Expect to see runners on:
    • Mass Ave from Sidney St to Amherst St 9:30-9:42
    • Amherst St from Mass Ave to Vassar St 9:32-9:47
    • Vassar St from Amesbury St to Mass Ave 9:37-9:55
    • Waverly St from Reardon St to Putnam Ave 9:37-9:57
    • Putnam Ave from Waverly St to Brookline St 9:37-9:58
    • Brookline St from Putnam Ave to Franklin St 9:38-10:00
    • Erie St from Brookline St to Albany St 9:39-10:02
    • Albany St from Erie St to Cross St 9:39-10:05
    • Cross St from Albany St to Landsdowne St 9:42-10:06
    • Landsdowne St from Cross St to Pacific St 9:43-10:07
    • Pacific St from Landsdowne St to Brookline St 9:44-10:09

Find more information on their website.

 

Cambridge Fall Classic 5K Route

 

Map of the 2026 Fall Classic 5K course in Cambridge. The route starts and finishes near Sidney Street and Pacific Street and travels through Cambridgeport and the MIT area, including portions of Brookline Street, Putnam Avenue, Memorial Drive, Amherst Alley, Massachusetts Avenue, and Albany Street. Mile markers 1, 2, and 3 are shown along the route.

 

 

Page was posted on 9/29/2026 1:24 PM
Page was last modified on 9/29/2026 1:25 PM
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