New Hampshire Code of Administrative Rules
Tra - Commissioner, Department of Transportation
Chapter Tra 100 - ORGANIZATIONAL RULES
Part Tra 102 - DESCRIPTION OF THE DEPARTMENT
Section Tra 102.05 - Division of Operations

(1) The bureau of highway maintenance shall be responsible for maintaining and repairing state highways not operated by the bureau of turnpikes, operation of moveable bridges not operated by the bureau of bridge maintenance, replacement of private water supplies which have been affected by winter maintenance operations, such as salt application, processing overweight and overdimensional load, access route, excavation and utility installation permit applications. The bureau shall also be responsible for establishing speed zones and operating and maintaining safety rest areas on state highways under its jurisdiction. Organized within the bureau shall be 6 field districts, each under the supervision of a district engineer.

(2) The bureau of bridge maintenance shall be responsible for the maintenance and repair of all state-owned bridges, and, as the workload permits, the repair of municipal bridges which shall be done on a reimbursable basis. The bureau shall also be responsible for the operation and maintenance of the 2 Portsmouth drawbridges.

(3) The bureau of mechanical services shall be responsible for all department vehicles and equipment maintenance except for those vehicles owned by the bureau of turnpikes, the investigation of accident reports and insurance claims involving department vehicles, the setting of rental rates and approval of private equipment rental by this or any other department.

(4) The bureau of traffic shall be responsible for the installation and maintenance of traffic control devices, such as signals, signs and pavement markings on the state highway system.

(5) The bureau of turnpikes shall be responsible for the operation and maintenance of the state's turnpike system, including control of turnpike encroachment permits.