SAN MARCOS, Texas--(BUSINESS WIRE)-- #AsphaltEngineering--Certerra, a leading provider of materials engineering and infrastructure support services, today announced a strategic expansion of its pavement and asphalt engineering capabilities in Texas through the addition of Stacy Rowh and the HP2 Engineering team. As part of this transaction, Certerra has acquired the HP2 Engineering trade name and related intellectual property, further strengthening its position in one of the nation’s most active