Applies to contractors engaged in the installation or removal of lighting for highways, streets, roadways, parking lots, and light standards. It also applies to the installation, repair, or removal of signs, guardrails, roadside reflectors, lane buttons or turtles, or lane markers not covered by another classification (N.O.C.). Usually, these activities occur as finishing touches after new or existing roadways are paved or surfaced. Roadway lighting includes traffic signal lights, and halogen or mercury vapor lights mounted to metal standards erected alongside the roadway. Signs (such as speed limit, road condition, city and town mile destination) are mounted on overpasses or on wood or metal poles erected alongside the roadway. Guardrails include metal barriers mounted on wood or metal poles driven into the roadside shoulder. Lane markers, lane buttons or turtles consist of small reflectors, or chips of plastic or concrete attached to the road with an adhesive bonding material. This classification includes the related hook-up of power to the light standard.

This classification excludes the installation of power lines that feed into power poles which is to be reported separately in the applicable construction classification for the work being performed.

Special note: This classification excludes exterior sign erection, repair, or removal not in connection with displaying highway, street, or roadway information or conditions even though such signs may be erected or placed alongside roadways (such as advertisement bill boards, business, or personal property signs) which is to be reported separately in classification 0403.

Applies to contractors engaged in specialty services such as the painting or striping of highways, streets, roadways, or parking lots not covered by another classification (N.O.C.). This classification includes painting, striping, numbering, or lettering of highways, streets, roadways, parking lots, parking garages, airport runways, taxi ways, curbs, roadway dividers, median strips, and special traffic areas such as fire, bus, handicap, and no parking zones. The paint or other material used for these markings is usually applied to the surface using a mechanical device, either self-propelled or towed by a truck or other motor vehicle. In some instances, the paint will be applied manually with brush or roller which is included in this classification. This classification includes the application of asphalt sealants to roadways or parking lots; mechanically placed block or prefab panels next to a roadway for noise barrier, median, or retaining walls; and concrete barrier installation, in connection with road construction, by a concrete barrier rental business or by a flagging contractor who also supplies the concrete barriers. This includes the flaggers who are necessary during the installation of the barriers as well as any flaggers the company supplies to the road construction project itself.

This classification excludes the interior painting of buildings which is to be reported separately in classification 0521, the exterior painting of buildings or structures which is to be reported separately in classification 0504; application of asphalt sealant to driveways which is to be reported separately in classification 0504-06; the rental of the concrete barriers and other flagging equipment which is to be reported separately in classification 6409; and flaggers who are not employed by a concrete barrier rental business or by a flagging contractor who also supplies the concrete barriers which are to be reported separately in classification 7116 or 7118 as appropriate.