PROGRAM - GLOSSARY
Abbreviations, Terms and Status Types
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Tack
Sticky layer of liquid asphalt sprayed on the roadway between new layers of asphalt, which serves as an adhesive.
Turnout
Asphalt placed to widen a driveway to make exiting the roadway easier. It is commonly added to accommodate heavy truck traffic that would have difficulty making a 90-degree turn into a standard driveway.