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Road Paving
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The Calvert County Department of Public Works follows a pavement management program that prioritizes resurfacing based on the Pavement Condition Index (PCI), which rates roads from 0 to 100, with 100 being the best. Roads with a PCI of 70 or lower are added to the paving list.
Each review also considers the condition of the underlying infrastructure, since roads with a stable surface may still require immediate attention if the foundation is failing. These decisions—guided by experienced staff—balance road conditions with available funding, which ultimately determines how many roads can be resurfaced each fiscal year.
Road Paving
Calvert County Public Works oversees and maintains more than 900 lane miles of local roadways. Lane miles are used to measure the total length and lane count of a given highway or road. Ten miles of a five-lane highway is 50 lane miles (10 centerline miles x 5 lanes). It helps determine total road surface area and traffic capacity, unlike simple centerline miles which only measure distance.
Maintenance includes drainage work, pothole repairs, roadside shoulders, roadside mowing, guardrail maintenance, line stripping, road signage, litter pick up, snow removal and vegetation trimming.
Road Paving
A resurfaced road typically lasts between 10 and 25 years, depending on factors such as traffic volume, climate, road type and maintenance.
Road Paving
In Fiscal Year 2025, Calvert County Public Works resurfaced 15.5 miles across 34 local roads, with another 10.8 miles programmed this fiscal year across 21 local roads.
Road Paving
The Calvert County Department of Public Works prefers to resurface roads using hot-mix asphalt, which requires air and ground temperatures above 50 degrees to ensure durability. If conditions don’t allow for hot-mix asphalt, Public Works will temporarily repair problem areas with a cold patch until a full resurfacing can be completed.
Road Paving
The Maryland Department of Transportation (MDOT) is responsible for maintaining state roads in Calvert County. State roads are identified by route numbers – for example, MD Route 2/4 is a state-maintained highway. Roads that only have names and no route numbers are typically maintained by the county, such as Long Beach Road. Named roads within towns or municipalities are maintained by their respective local governments.
Roads with blue street signs are typically private drives and are maintained privately.