Dowel Bar retrofit. Details on how to make a set of dowel-bar-retrofits. https://dot.ca.gov/programs/construction/construction-manual/section-4-41-existing-co

Dowel Bar retrofit. Details on how to make a set of dowel-bar-retrofits. https://dot.ca.gov/programs/construction/construction-manual/section-4-41-existing-concrete-pavement https://dot.ca.gov/programs/construction/construction-manual... Longitudinal grooving to achieve PIARC category of roughness and rolling resistance of an inverse to raised Cat’s-Eye and Botts’ Dots (“turtles” in Washington/Oregon, “buttons” in Texas). They are reflectorless, and are https://www.fhwa.dot.gov/pavement/pubs/hif17011.pdf https://www.fhwa.dot.gov/pavement/pubs/hif17011.pdf Not to be confused with Rumble strips which are also known as audible lines, sleepy bumps, wake up calls, growlers, drift lines, waker-uppers and drunk bumps.