Supplemental Specification on Revisions to Standard Specification 723 – Traffic Signal Materials, September 23, 2011. Continue Reading
Supplemental Specification Revisions to Specification 703 – Aggregates, July 30, 2009. Continue Reading
Supplemental Specification Revisions to Specification 702 – Bituminous Materials, July 30, 2009. Continue Reading
Supplemental Specification Revisions to Standard Specification 654 – Traffic Signal Systems, September 7, 2011. Continue Reading
Supplemental Specification Revisions to Standard Specification 640 – Raised Pavement Markings, October 17, 2006. Continue Reading
Supplemental Specification Revisions to Standard Specification 639 – Painted Pavement Markings, September 27, 2006. Continue Reading
Supplemental Specification Revisions to Standard Specification 638 – Maintenance and Protection of Traffic, April 29, 2014. Continue Reading
Supplemental Specification Revisions to Standard Specification 636 – Adjustment of Facilities of the Puerto Rico Aqueduct and Sewer Authority, March 16, 2007. Continue Reading
Supplemental Specification Revisions to Standard Specification 635 – Adjustment of Facilities of the Puerto Rico Electric Power Authority, March 30, 2011. Continue Reading
