Aggregate - Pavement Interactive- Aggregate Pavement Design ,Pavement Interactive was developed by the Pavement Tools Consortium, a partnership between several state DOTs, the FHWA, and the University of Washington, as part of their effort to further develop and use computer-based pavement tools.CPD seminars | Aggregate IndustriesThe CPD will cover manufacturing tolerances, British Standards and tests for concrete block paving, flags and kerbs.Installation and Design standards will be reviewed along with general pavement construction.