Who Does What?

Understanding the roles of transportation agencies and organizations.

Many Organizations. One Transportation System.

Transportation in Fairfax County is managed through cooperation among local, regional, state, federal, and private organizations. Each has a different role.

Quick Summary

No single organization plans, funds, builds, operates, and maintains every part of the transportation system. Understanding each organization's role helps residents know where decisions are made and who to contact.

Fairfax County Department of Transportation (FCDOT)

Primary Responsibilities

  • Transportation planning
  • Capital project development
  • Transit planning and coordination
  • Pedestrian and bicycle planning
  • Transportation studies
  • Traffic analysis
  • Community engagement

Think of FCDOT as: The County's transportation planner and coordinator.

Virginia Department of Transportation (VDOT)

Primary Responsibilities

  • Maintains most public roads
  • Roadway resurfacing
  • Traffic signals
  • Pavement markings
  • Snow removal
  • Bridge maintenance
  • Construction of many roadway projects

Think of VDOT as: Virginia's roadway owner, operator, and maintainer.

Northern Virginia Transportation Authority (NVTA)

  • Regional transportation funding
  • Long-range regional planning
  • Project prioritization
  • Regional mobility investments

Think of NVTA as: One of Northern Virginia's major transportation funding partners.

Fairfax Connector

  • Local bus operations
  • Bus route planning
  • Park-and-ride service
  • Community transit connections

Primary Focus: Local public transportation.

WMATA

  • Metrorail
  • Metrobus
  • Regional transit operations
  • Transit stations

Primary Focus: Regional transit throughout the Washington metropolitan area.

Virginia Railway Express (VRE)

  • Commuter rail service
  • Rail stations
  • Passenger rail planning

Primary Focus: Regional commuter rail.

CSX Transportation

  • Freight railroad operations
  • Rail corridor ownership
  • Rail infrastructure

Passenger rail services often operate over CSX-owned tracks through agreements.

Fairfax County Park Authority

  • Parks
  • Trails
  • Recreation facilities
  • Greenway connections

Many shared-use trails connect directly with the transportation network.

Fairfax County Public Schools (FCPS)

  • School transportation coordination
  • Student access
  • School-zone safety coordination
  • Bus operations

Department of Public Works and Environmental Services (DPWES)

  • Stormwater management
  • Drainage infrastructure
  • Environmental services
  • Utilities coordination

Transportation projects frequently coordinate with DPWES on drainage and infrastructure improvements.

Board of Supervisors

  • County transportation policy
  • Funding priorities
  • Capital Improvement Program
  • Community representation

Transportation Advisory Commission (TAC)

  • Advises the Board of Supervisors
  • Reviews transportation issues
  • Provides community recommendations
  • Encourages public engagement

Community Organizations

Organizations such as civic associations, homeowner associations, chambers of commerce, transportation committees, and nonprofit organizations provide valuable local knowledge and often help identify transportation needs.

Working Together

Few transportation projects involve only one organization. A typical project may include:

  • FCDOT planning
  • VDOT engineering
  • NVTA funding
  • DPWES coordination
  • Park Authority trail connections
  • School coordination
  • Community participation

Successful transportation projects depend on collaboration.

At a Glance

Organization Primary Role
FCDOT Planning and coordination
VDOT Road ownership and maintenance
NVTA Regional funding
Fairfax Connector Local bus service
WMATA Metro rail and bus
VRE Commuter rail
CSX Freight railroad
Park Authority Parks and trails
FCPS School transportation coordination
DPWES Stormwater and infrastructure