Specifications include, but are not limited to: Drilled Shaft Foundations Item 432 Riprap Item 450 Railing Item 512 Portable Traffic Barrier Item 529 Concrete Curb, Gutter, and Combined Curb and Gutter Item 530 Intersections, Driveways, and Turnouts Item 531 Sidewalks Item 536 Concrete Medians and Directional Islands Item 540 Metal Beam Guard Fence Item 542 Removing Metal Bean Guard Fence Item 544 Guardrail End Treatments Item 624 Ground Boxes Item 628 Electrical Services Item 644 Small Roadside Sign Assemblies Item 666 Retroreflectorized Pavement Markings Item 677 Eliminating Existing Pavement Markings and Markers Item 678 Pavement Surface Preparation for Markings Item 686 Traffic Signal Pole Assemblies (Steel) Item 687 Pedestal Pole Assemblies Item 688 Pedestrian Detectors and Vehicle Loop Detectors Item 6027 Preparation of Existing Conduits, Ground Boxes, or Manholes.