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I-495 (Capital Beltway) Repaving from MD 97 (Georgia Ave) to I-270 (West Spur), Montgomery County

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Project Description

This extensive project will occur in Montgomery County on both the inner and outer loops of I-495. Resurfacing will occur between MD 97 (Georgia Ave) and I-270 (West Spur) on the Outer Loop, and the I-270 (West Spur)/I-495 merge on the Inner Loop, for a total distance of 6 miles. This project also involves grinding and resurfacing along more than three miles of interchanges, including four ramps within the MD 187 Interchange, six ramps within the MD 355 Interchange, six ramps within the MD 185 Interchange, and seven ramps within the MD 97 Interchange.

The work consists of:

  • Grinding
  • Asphalt resurfacing
  • Asphalt patching and repairs
  • Replacing existing guard rail in selected areas
  • Installing new guard rail where necessary
  • Repairing and replacing concrete median barrier
  • Concrete curb and gutter replacement
  • Storm water management system repair and cleaning
  • Slope stabilization
  • Installing new pavement markings
  • Installing new raised pavement markers
  • Replacing loop detectors at five signalized intersections (off-ramps)
  • Sediment and erosion control
  • Maintenance of traffic

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