Route 606/Loudoun County Parkway

Loudoun County Parkway/Old Ox Road (Route 606) connects two major roads, Route 50 and Route 28 (Sully Road) and is a desirable route for motorists from points west to access Ashburn, Sterling and Herndon. The road is currently congested in both directions during peak hours. This project will address the need to increase capacity on this section of road due to growth in the surrounding area and the resulting increase in traffic congestion. CES Consulting LLC (CES) is responsible for providing the construction manager, construction quality assurance inspectors and senior scheduler for the project.

The Metropolitan Washington Airport Authority (MWAA), Loudoun County and Virginia Department of Transportation (VDOT) are jointly funding the project, which is being developed by VDOT.


Reconstruct and widen the existing two-lane rural road to four lanes between Evergreen Mills Road (Route 621) and the Dulles Greenway (Route 267) (a distance of about five miles)

Include provisions for bicyclists and pedestrians


Detailed roadway and bridge highway cost estimating, using references such as the RS Means, historic data and other statistical means

Independent cost estimating and analysis on change orders for FHWA compliance

Entitlement review for cost


Scheduling for planned work, key milestones, interaction with adjacent or district-wide work

Monitor progress by all sections of the project, such as R/W, utility relocation, design, construction

Contemporaneous schedule as-built

Project earnings and progress monitoring/ reporting

Time/Schedule Impact Analysis for entitlement of time


Tracking of added items and out of scope activities and the impact that has on the overall project

Prepare change/work order for the project manager


Track all correspondence that are relevant to the project

Ensure that correspondence is responded to with adequate supporting facts and documents

Provide necessary supporting justification documents for any change/work orders

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CES Consulting LLC

CES Consulting LLC