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43 Pavement Comparison Questions and Answers Question Answer What are the appraisal differences for The difference in appraisal values is negligible when it comes concrete vs. asphalt streets? from a property tax appraisal. Individual homeowners may hold an aesthetic value for the type of roadway a property abuts. Looks are "in the eye of the beholder". From a maintenance What are the intangible issues with each perspective, asphalt is simpler to repair and can be repaired types of pavement? Color, look, snow quicker and at any time of the year. Studies have shown that removal, maintenance issues, etc. the dark color of asphalt aids in snow melt in the winter. However, melting snow may turn to ice when not in direct sunlight. -- ........ .... _..... --- Stopping distance is generally a function of individual driver Is there a safety benefit of either type of reaction time and vehicle performance. Neither type of pavement? i.e., stopping distance? pavement produces a glare. At night, since concrete is lighter in Reflection of street lights/glare? color, it generally allows for more reflectivity of headlights and streetlights than asphalt pavement. Modern concrete pavements are generally no louder than Is concrete pavement louder than asphalt? asphalt pavements. However, noise is generated by faulting pavement joints formed by concrete, and is likely to be greater or more pronounced later in the pavement's life cycle. Concrete pavements are thicker, and are generally better for When is concrete or asphalt pavement more roadways that experience heavier truck traffic. However, both beneficial for use? Heavy traffic? Truck types of pavements can be designed for heavy traffic. For local traffic? Loading issues? traffic, concrete pavements are sometimes overbuilt for the loads that they experience. If a road is built correctly, either type of pavement can be utilized. In the past, concrete pavement was placed directly on Do certain soil conditions warrant the use of the soil without a proper roadway section. This was the case in one type of pavement over the other? St. Anthony, where there is poor drainage beneath most existing concrete roadways. Modern roads are designed with a subgrade drainage system, regardless of surface type. Both concrete and asphalt use "green" technology to construct Are there environmental benefits to utilizing the roadways. Concrete and asphalt can be recycled and used one type of pavement over the other? as road base material (gravel) as well as reused into new pavements. Asphalt is dependent on oil byproducts. Street Reconstruction Task Force Findings Report November 13, 2008 WSB Project No. 1626-03