AASHTO/AGC/ARTBA Joint Committee. Subcommitte on New Highway Materials, AASHTO/AGC/ARTBA Joint Committee. Subcommitte on New Highway Materials, American Association of State Highway and Transportation Officials, & American Association of State Highway and Transportation Officials. (1988). Work zone barrier supplement to "a guide to standardized highway rail hardware": Task force 13 report. [Washington, D.C.]: American Association of State Highway and Transportation Officials.

AASHTO/AGC/ARTBA Joint Committee. Subcommitte on New Highway Materials, AASHTO/AGC/ARTBA Joint Committee. Subcommitte on New Highway Materials, American Association of State Highway and Transportation Officials, and American Association of State Highway and Transportation Officials. Work Zone Barrier Supplement to "a Guide to Standardized Highway Rail Hardware": Task Force 13 Report. [Washington, D.C.]: American Association of State Highway and Transportation Officials, 1988.

AASHTO/AGC/ARTBA Joint Committee. Subcommitte on New Highway Materials, AASHTO/AGC/ARTBA Joint Committee. Subcommitte on New Highway Materials, American Association of State Highway and Transportation Officials, and American Association of State Highway and Transportation Officials. Work Zone Barrier Supplement to "a Guide to Standardized Highway Rail Hardware": Task Force 13 Report. [Washington, D.C.]: American Association of State Highway and Transportation Officials, 1988.