TYPE OF TRACK | REQUIRED FREQUENCY |
Light Rail Passenger-service Track | Three times per week with at least one calendar day interval between inspections. |
Light Rail Yard and Storage Track Heavy Rail Yard and Storage Track | Weekly with at least three calendar days interval between inspections, or before use, if track is used less than once a week. |
Heavy Rail Passenger-service Track | Twice weekly with at least one calendar day interval between inspections. |
220 CMR, § 151.11