Complete roadway reconstruction and widening from 4 lanes to 6 lanes including the addition of a new Diverging Diamond Interchange (DDI) under I-95 at A1A in Nassau County. The first DDI constructed in North Florida while maintaining high traffic volumes in a major hurricane evacuation corridor.
Added/improved 13.3 lane-miles from 4-lane rural to 6-lane divided urban, curb & gutter, bike lanes, sidewalk. Raising the profile grade for 9.2 lane-miles of 10.5” thick concrete pavement, 4.1 lane-miles of asphalt pavement, ramp widening, 3 box culvert extensions, water, force main, reclaim, utility relocations, extensive drainage, signalization, ITS, LED high mast and underdeck lighting.
The project also included extensive coordination with adjacent new construction and UAO facility upgrades.