NIGP Codes

NIGP Class and Class Item Codes identify the scope(s) of work as defined by the National Institute of Governmental Procurements. This five-digit code establishes and defines the detailed scope(s) of work for the contract. The first three digits of the NIGP code represents the Class or broad category of the work to be performed, and the second two digits of the NIGP code identify a more specific focus of work within the Class category.

Items for NIGP Class 550

Full Class List > 550: Markers, Plaques and Traffic Control Devices

Code	Description
550-04	Beads, Glass, Sign and Stripe
550-05	Beam and Barrier Handling Equipment
550-06	Gates, Bridge and Railroad Crossing
550-08	Buttons, Delineators, Reflectors, etc., Reflectorized
550-09	Cameras, Red Light (See Class 655 for other types)
550-10	Cement and Adhesives for Traffic Control Markers
550-12	Clamps and Bolts, U-Type, Large, For Highway Signs
550-14	Early Warning System, Engine Powered, Trailer Mounted Or for Truck Mounting
550-17	Encapsulate, Traffic Loop Detector
550-20	Flares and Fuses
550-22	Gaskets, Traffic Markers and Dividers
550-24	Highway Pass and No-Pass Zone Determination Devices and Equipment
550-28	Markers, Plaques, Placards and Tablets: Dedicational, Historical, Informational, etc.
550-29	Markers, Survey and Right-Of-Way
550-30	Markers, Traffic, Ceramic: Jiggle Bars, etc.
550-31	Markers, Traffic, Concrete
550-32	Markers, Traffic, Metal
550-33	Markers, Traffic, Fiberglass
550-34	Markers, Traffic, Plastic and Rubber
550-36	Marking Compound, Thermoplastic and Marking Powder
550-38	Parking Meters and Area Control Equipment
550-41	Posts, Flexible, For Delineator Markers
550-42	Safety Barriers, Traffic, Mobile: Energy Absorption Systems, Impact Attenuators, Crash Barriers, etc.
550-43	Safety Barriers, Traffic, Stationary: Energy Absorption Systems, Impact Attenuators, Crash Barriers, etc.
550-44	Sheeting, Reflectorized, For License Plates
550-45	Sheeting, Reflectorized, General, (See 801-49 for Reflective Sign Material)
550-58	Signal Torches, Kerosene
550-72	Stripes and Legends, Plastic, Prefabricated, Reflective, Including Pavement Marking Tape, (See 832-48 for Marking Tape other than for Pavement)
550-78	Traffic Cones, Lane Markers, and Barricades, Portable
550-79	Traffic Control Devices, Non-Electric. Including Rumble Strips, etc.
550-80	Traffic Controls and Equipment, Electric Systems
550-81	Traffic Controls and Equipment, Electric Parts
550-82	Traffic Counters, Monitors, and Accessories
550-83	Traffic Devices, Markers, Plaques, etc. Recycled
550-85	Traffic Signal Poles, Standards, and Brackets
550-88	Traffic Signals and Equipment, Electric Systems
550-89	Traffic Signals and Equipment, Electric Parts
550-90	Transportation Systems, Intelligent (An automated information system which provides traffic management, communications, and analysis of data as a minimum)
550-91	Vehicle Detectors
550-92	Vehicle Identification Systems, Automated
550-93	Warning Devices, Telescoping or Fold Up Type; and Accessories
550-96	Warning Lights, Flashers, and Flashing Arrow Boards (See Class 285-76 for Streetlights and Standards)