|
| 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) |