Newfound Gap Road Tunnels Rehabilitation Project

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Newfound Gap Road Tunnels Rehabilitation
Project Great Smoky Mountains NP
Eastern Federal Lands Highway Division
Federal Highway Administration U.S. Department of
Transportation
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Great Smoky Mountains National Park and its
Gateway Communities

• Gatlinburg, TN
• Pigeon Forge, TN
• Sevierville, TN
• Maryville, TN
• Cherokee, NC
• Maggie Valley, NC
• Fontana Village, NC
• Bryson City, NC

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Problem

• Inadequate vertical clearance for increasing
  number of oversized vehicles (ie. buses and RVs)
• Leakage, icing, and falling concrete from tunnel
  lining.
• Substandard roadside and approach barriers.
• Dark, curvilinear tunnel.
• Limited information on road conditions available
  to motorists and gateway communities.

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Icing and Vertical Clearance
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Vertical and Horizontal Clearance (RV Hugging
Tunnel Edge)
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Purpose and Need/Goals and Objectives

• Rehabilitated Tunnels to Improve Safety and
  Accessibility
• Accommodate Economic Interests of Local
  Communities
• Safe for RVs, Trailers, and Tour Buses
• Minimize Visitor Impact
• Environmental Sensitivity
• Early Completion
• Design Research Technology

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Unique Community Element

• Business Interests in NC and TN
• Hotels/Restaurants NC and TN
• Eastern Band of Cherokee Indians
• Gaming NC
• Tourist Trade
• Tour Groups
• Outfitters
• Retail Businesses

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Month Rating of Revenues(Non-gaming)

• Rating Month
• 1 July
• 2 August
• 3 June
• 4 October
• 5 September
• 6 May
• 7 April
• 8 November
• 9 March
• 10 December
• 11 February
• 12 January
• Source Cherokee Travel and Promotion

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Project Physical and Organizational Context

• Internal and External Organizational Context
• FLH, Partners, Stakeholders, Regulators
• Internal (FLH) Organizational Context
• Planning and Programs
• Environment
• Design
• Procurement
• Technology
• Construction
• Maintenance

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Newfound Gap Road Tunnels
BEFORE
AFTER
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Chimney Tops Mountain Tunnel
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Morton Mountain Tunnel
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Owners/Stakeholders

• Renwick Gallery Smithsonian Institution
• Blair-Lee House- State Department
• CEQ/WH Historical Assoc. EOP
• Decatur House - NTHP
• Federal Judge Offices Justice Depart.
• U.S. Court of Appeals Justice Depart.
• Treasury Headquarters Annex Treasury Depart.
• Riggs Bank Private
• White House EOP
• Old Executive Office Building EOP
• Secret Service Ops. Depart. of Homeland
  Security
• Lafayette Park/WH Grounds NPS/Depart.
• Street R/W District Depart. of Transportation
• Utilities 6 different companies and agencies
• DC SHPO
• NCPC
• Commission of Fine Arts

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Building Conditions

• Age Range
• from 70 to 200 years
• Construction Type
• Wood Frame
• Brick Masonry
• Stone Masonry
• Composite Types

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Photographs showing the location and details of
the geophone and three cracks, whose long term
and dynamic response was monitored.
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Long-term crack response and weather indicators.
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Comparison of weather, occupant and construction
vibration induced displacement of all 3 cracks.
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Project Physical and Organizational Context

• Internal and External Organizational Context
• FLH, Partners, Stakeholders, Regulators
• Internal (FLH) Organizational Context
• Environment
• Design
• Procurement
• Technology
• Construction
• Maintenance

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Pennsylvania Avenue, DC