Paving a parking lot or other area with porous asphalt can be an environmentally friendly solution for absorbing and filtering excess stormwater, but proper maintenance is important to ensure the pavement remains permeable over time.
To help keep the surface unclogged and free of debris, the Vermont Agency of Transportation initiated a research project that identified effective cleaning strategies and a routine maintenance schedule for the state’s porous asphalt pavements.
Read the report: Maintenance and Performance Study of Porous Asphalt in Northern Climates at the Randolph Park & Ride, November 2024.
Image source: Vermont Agency of Transportation