Transportation Data

Washington County's road system consists of 1,283 total centerline miles. These roads include (in centerline miles):

1,073 paved roads

210 gravel roads

644 urban roads (125 Arterials, 73 Collectors, 85 Neighborhood Routes, 361 Local)

639 rural roads (74 Arterials, 191 Collectors, 374 Local) 

In lane miles, the county's system consists of 2,985 lane miles, 446 of which are inside incorporated cities.


As of 2012 the average Pavement Condition Index (PCI) of Washington County's paved roads was 80. Average PCI by Functional Class:

  • 75 Urban Arterial
  • 77 Urban Collector
  • 77 Rural Arterial
  • 82 Rural Collector
  • 75 Rural Local
  • 84 Neighborhood Route (URMD)
  • 85 Urban Local (URMD)
  • 74 Non-URMD Urban Local

PCI is a numerical rating between 0 and 100 (newly paved road). Policy 21.4 of the Transportation Plan sets PCI targets by Functional Class.


The county's Operations and Maintenance division maintains and repairs road surfaces and:

  • 188 bridges and drainage ways
  • 3,021 culverts (greater than six inches)
  • 700 miles of drainage ditches
  • 36 miles of guard rail
  • tends roadside vegetation
  • oversees private construction activities that occur within the public right-of-way
  • provides 24-hour snow and ice removal during winter storms
  • provides 24-hour emergency response year around  

In 2012-2013 maintenance activities performed on the county road system included:

  • 474 lane miles of road striping
  • 54 miles of road paving and sealing
  • 204 miles of gravel road grading
  • 411 shoulder miles of roadside brush cutting
  • 202 shoulder miles of ditch maintenance
  • 1,678 requests for service, top five requests:
    • 515 vegetation removal
    • 201 pothole filing
    • 166 trash/debris removal
    • 71 gravel road grading
    • 43 dead animal pickup

In 2012-2013, 1,575 Right-of-Way permits were issued:

  • 553 Access permits
  • 766 Utility permits
  • 114 General permits
  • 71 Dust control permits
  • 20 Block party permits
  • 6 Film and video permits
  • 9 Parade permits
  • 36 Race permits

Inspections were performed on transportation infrastructure improvements associated with 90 developments.

11,080 Transportation permits (Motor Carrier Trip Permits) were issued for oversize loads on Washington County roads.


In 2012-2013 the Service District for Lighting:

  • 11,133 street lights managed
  • 42,609 street light customers billed
  • 1,176 street light assessment areas
  • 445 street light outages reported and repaired
  • 120 trees trimmed

For more information about Washington County's roads, see:

See Washington County Roads for weekly road news, current and scheduled road work, road closures and traffic advisories.