cityofboston.gov - Official Web Site of the City of Boston - Thomas M. Menino, Mayor

Parking and Theft Prevention

Lock your bike
Use both a cable lock and a U-lock for maximum protection. Never leave any quick-release parts unsecured (e.g. wheels, seat).

Register your bike
The Boston Police Department participates in the National Bike Registry program. 
Register Online 

Rack your bike
Contact Boston Bikes to request a bike rack.
MBTA Bike Parking Information 

Questions and Problems

Report via Mayor's 24 Hour Hotline
Call to report issues like potholes, missing traffic signs, faulty traffic lights, abandoned bicycles, etc. to the Mayor's 24 Hour Hotline.
Mayor's 24 Hour Constituent Service
617-635-4500

Catch Basin Grates
The Boston Water and Sewer Commission can realign drain grates that are parallel to the flow of traffic or are not flush with the roadway surface. Call 617-989-7000 with the nearest street address or intersection (must be in the City of Boston).

Department of Conservation and Recreation (DCR) Facilities Issues
For facilities such as the Charles River Path, Southwest Corridor, Charles River Bridges, Parkways, and Boulevards, please direct road and path defect reports to DCR’s Division of Urban Parks and Recreation, Office of Community Relations.
Email mass.parks@state.ma.us 
617-626-4973

Complaints About Other Road Users

Motorists
You can file a complaint of improper operation.
MA RMV Complaint of Improper Operation Form 

Registry of Motor Vehicles "Complaint of Improper Operation"
PO Box 55896
Boston, MA 02205-5896

Bicycle Messengers
For poor conduct, reckless operation, or criminal behavior, give the messenger number, date, time, location, and description of incident to the Boston Police Department’s Hackney Division
Contact Hackney Division
Call 617-343-4475

Taxi Drivers
If you have an issue with a Boston licensed taxi cab operator, you can file a complaint with the Boston Police Department's Hackney Division. 
Complaint Form

MBTA bus drivers
Find the correct email address and phone number (based on bus route) from the MBTA's Write to the Top webpage. Provide the date and time of the incident, location, four-digit bus number if available, and a description of what happened.