Underpass & Tunnel Cleaning

What This Service Involves

Underpasses and tunnels collect road grime, algae, graffiti, and biohazards that make these passages feel unsafe and neglected. Our crews clean walls, ceilings, and surfaces with pressure and disinfecting methods while managing confined-space and traffic control requirements. Work is coordinated with lane or passage closures and MUTCD-compliant signage to protect crews and the traveling public. Wash water is captured and handled to meet stormwater requirements before it reaches roadway drains.

Benefits

Thorough washing removes grime, algae, and biohazards; graffiti removal and disinfecting improve safety perception; confined-space and traffic control protect crews and the public; MUTCD-compliant closures keep corridors safe during work; captured wash water meets stormwater compliance

Our Process

1) We assess the structure, access, and traffic control needs; 2) Crews establish closures, signage, and confined-space controls; 3) Walls, ceilings, and surfaces are washed and disinfected; 4) We capture wash water and document the completed passage

What Affects the Cost

Structure length and surface area; severity of grime, algae, and graffiti; traffic control and confined-space requirements; wash-water capture and discharge; prevailing-wage labor for the roadway jurisdiction

Best Time of Year

Cleaning can be scheduled year-round, with nighttime or low-traffic windows preferred to minimize disruption on busy corridors.