Pavement Preservation How: Arizona, Texas, Utah, and New Mexico Edc-4 Peer-To-Peer Exchanges
Tech Brief PAVEMENT PRESERVATION HOW: ARIZONA, TEXAS, UTAH, AND NEW MEXICO EDC-4 PEER-TO-PEER EXCHANGES PAVEMENT INTRODUCTION PRESERVATION HOW On May 2nd and 3rd, 2019, an FHWA-sponsored EDC- The fourth round of Every Day 4 “How” Pavement Preservation State Peer-to-Peer Counts (EDC-4) innovations promoted quality construction Exchange was conducted in Phoenix, Arizona. State and materials practices that department of transportation (DOT) participants included apply to both flexible and 28 DOT representatives from Arizona, 1 from Texas, 2 rigid pavements. For flexible pavements, these include using from Utah, and 1 from New Mexico. Additional participants included improved specifications for thin 4 FHWA representatives, 1 consultant, and representatives from 5 county asphalt surfacings such as chip governments, 24 municipalities, and 9 tribal communities. Larry Galehouse seals, scrub seals, slurry seals, with the National Center for Pavement Preservation and Larry Scofield with the micro surfacing, and ultrathin bonded wearing courses; following International Grooving & Grinding Association and American Concrete Pavement improved construction practices; Association facilitated the day-and-a-half-long meeting. Arizona was the host state and and using the right equipment provided meeting room facilities. Antonio Nieves of the FHWA introduced the meeting to place these treatments. Rigid pavement treatments include the background and kicked off the meeting. rapid retrofitting of dowel bars to The meeting format consisted of each of the states identifying their current procedures, reduce future faulting; the use of new, fast-setting partial- and full- issues, and successes for each of the topics discussed. Table 1 indicates the depth patching materials to create discussion topics.
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