AASHTO Transportation System Preservation

The FHWA has partnered with AASHTO and the preservation industry to sponsor a study to determine what the most critical knowledge gaps in pavement and bridge preservation are and what research is necessary to fill those gaps.

The TSP² Research, Development, and Implementation Roadmap is the output of that partnership effort, and is now available for download...[ more ]

The TSP² Help Desk features integrated on-line interactive capabilities in the form of a bulletin board, email, contact forms, and LISTSERVs. To participate, select from the options below.

• Bulletin Board System
• Surface Treatment Selection Tool
• LISTSERV Enrollment
• Help Desk Requests

The TSP² on-line Reference Library houses a wide variety of technical papers, presentations, specifications, software, and videos. Browse the Archive for past TSP² news items, or submit your own document for inclusion in the library.

• TSP2 Document Collection
• Preservation Photo Gallery
• News Archive
• Submit a Document to the Library