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NCHRP 20-64 XML Schemas for the Exchange of Transportation Data     
TransXML Home > Bridge Structures Schema > Sources and Resources
NCHRP 20-7, Task 149 
National Cooperative Highway Research Program (NCHRP)

The data model provided in the appendix of this report starts with the AASHTO Virtis/Opis data model and adds on specific classes related to fabrication and construction of steel bridges.

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