This IDOT project included Quality Assurance at the plant and in the field inspection for Portland cement concrete (PCC) mainline pavement and ramps, various bridge decks and approaches, parapet walls, slope walls, and barrier walls. Quality Assurance plant and field inspection for hot mix asphalt (HMA) stabilized base course, binder course, and surface course. Quality Assurance on both soil and aggregates included compaction testing on trench backfill and subgrade, inspection during the construction of retaining walls, embankments and cone penetrometer tests on the pavement subgrade.