It looks like they are attending a funeral. :(

Thank you for reporting your concern to City of Cambridge via Commonwealth Connect. We will use this information as part of an ongoing review of data to better understand where and when to deploy our officers for this type of enforcement. In the future, if you see this type of activity, we encourage you to call the Cambridge Police non-emergency number at 617-349-3300 and an available, nearby officer will be dispatched to the location.