Specifications include, but are not limited to: 15-17001 PORTABLE CHANGEABLE MESSAGE SIGNS; 15-17004-R05 RELEASE COMPOUND FOR ASPHALT MIXES; 15-22001-R01 THERMOPLASTIC; 15-22003-R02 MULTI - COMPONENT LIQUID PAVEMENT MARKING MATERIAL; 15-22004-R02 PAVEMENT MARKING PAINT; 15-22005-R03 IMAGE SYSTEMS; 15-22006-R01 RETROREFLECTIVE SHEETING; 15-22008-R01 PREFORMED THERMOPLASTIC PAVEMENT MARKING MATERIAL; 15-22011 ROLL-UP SIGNS; 15-22014 HIGH DURABILITY PAVEMENT MARKING MATERIAL; 15-23001-R02 WOOD POSTS; 15-23003 FIELD HANDLING AND PRESERVATIVE TREATMENT OF WOOD PRODUCTS; 15-25001-R07 PART V; 15-26001-R10 MATERIALS CERTIFICATIONS; 15-MR0704 MODIFIED REQUIREMENTS – ASPHALT MIXTURES; 15-PS0018 COMBINATION, TIED BIDS ON 1R PROJECTS WITH FEDERAL-AID FUNDS; 15-PS0020-R2 E-TICKETING SYSTEM(ETS) FOR HOT MIX ASPHALT(HMA)