Thank you for reporting your concern to City of Cambridge via Commonwealth Connect. We have reviewed the information you provided our staff and will be investigating this issue further. This has been received as Service Request #1559.

A work task has been assigned for this issue.

Thank you for your request. Maple Ave is planned for street reconstruction in Fiscal Year 2022. All available tree planting spaces will be planted after construction is complete. Please see the City's Construction Map for more information:
https://www.cambridgema.gov/Departments/publicworks/cityprojects/map