North Carolina Department of Transportation Gaston County Equipment Sub-Shop Advertisement for Bids The North Carolina Department of Transportation will accept sealed bids for the Gaston County Equipment Sub-Shop. Sealed proposals will be received at 1710 E. Marion Street, Shelby, NC 28152 up to 2:00pm, May 28, 2026. A non-mandatory pre-bid meeting will be held May 12, 2026 at 11:00am at 917 Tandem Drive, Dallas, NC 28034.