Owner: VDOT

Description: The largest infrastructure project in the history of Virginia, this $3.9 Billion design-build project will ease this congestion with the addition of twin 2-lane bored tunnels just west of the existing eastbound tunnel and addition of Express Lanes along the 10-mile segment on I-64. The Express Lanes will be managed lanes with dynamic tolling and part-time running hard shoulder lane. Endesco provided lighting design services for all roadways, bridges, underpasses, and navigation channels as a sub consultant, including lighting warrant study, lighting photometric analysis using AGI-32 software, electrical design, and conduit system design. Endesco also provided design services for erosion & sediment control and highway drainage.

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Route 123 (Chain Bridge Road) Bridge Replacement, Fairfax City, Virginia

Owner: Fairfax City, VA Description: In this bridge reconstruction project, Endesco provided design services including H&H modeling, scour analysis, stormwater management, and E&S control design.

Port Authority of New York & New Jersey Traffic Roadway Construction Permitting Services on-call, New Jersey, New York

Owner: Port Authority of New York & New Jersey (PANYNJ) Description: Performed the following technical services:

Noise Analysis for Widening of Route 15 Bypass Leesburg, Virginia

Owner: Town of Leesburg, VA Description: We conducted this study for the Town of Leesburg, Virginia. Existing noise levels were monitored during the peak hours. The existing traffic volumes were