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2014

Special Specifications
SS6509  PDF  RTF  Driveway Assistance Device (DAD) System - For project 0039-10-080, 0540-02-027, 0848-04-052, 1599-03-017 in Cameron, Johnson, Medina, Robertson Counties. A portable device designed for residential driveways or entrances that fall within a one lane bi-directional work zone. This item is in the process of being evaluated by FHWA. Contact TRF for approvals prior to submitting requests in TxDOTCONNECT. Replaces SS6480 . One-Time Use.

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Specification Information