Highway Construction and a Trout Stream Relocation

by James Seksinsky, Pennsylvania Dep of Transportation, Montoursville, United States,

Document Type: Proceeding Paper

Part of: Water Resources Planning and Management: Saving a Threatened Resource—In Search of Solutions


In 1970, a ten-mile section of Traffic Route 15 in the northern portion of Lycoming County extending into Tioga County was under design as a two-lane limited access highway on four lane right-of-way. This section of highway traverses mountainous, forested area involving native trout streams. The constricted valley afforded limited area to avoid stream relocations and still satisfy limited access design parameters and interchange configurations. In view of past difficulties involving trout streams, the local chapter of Trout Unlimited requested a review of the preliminary design. As a result of their review and consultation with several other agencies, changes and compromises were incorporated into the highway design and channel relocations. Working in concert as a multi-discipline design team throughout the phases of design, construction and post construction, the final product of a safe efficient highway involving minimal short-term impacts to the environmental was realized.

Subject Headings: Highway and road design | Infrastructure construction | Hydraulic design | Rivers and streams | Sustainable development | Streamflow | Highways and roads | Mountains

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