At a Glance: 20 Years of Partnering with ARTBA on the Work Zone Safety Information Clearinghouse Celebrating 20 Years of the Work Zone Safety Information Clearinghouse See related story. *Source: American Road and Transportation Builders Association, Transportation Builder®, Vol. 23, No. 3, pp. 5, 16–22. This IssueTTI’s Tradition of TeamworkVolume 53, Number 4December 2017Issue Overview On this page: For More Information For more information: Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to email this to a friend (Opens in new window)Click to print (Opens in new window)