The following is a list of terms and definitions of the functions provided by DDOT's Street Construction Branch.

Reconstruction

• Total removal and replacement of existing roadway with composite.
• Install PCC or granite curbs and PCC or brick gutters.
• Replace sidewalk (as needed).
• Upgrade streetlight and drainage facilities.
• Remove and plant trees.

Upgrading

• Total removal and replacement of existing roadway with asphalt pavement, PCC curbs and gutters.
• Replace sidewalks (as needed).
• Upgrade streetlight and drainage facilities.
• Remove and plant trees.

Resurfacing

• Mill and replace asphalt.
• Repair base, sidewalks, curbs and gutters.
• Upgrade streetlights and traffic signals.
• Remove and plant trees.

New/Repairs to Sidwalk

• New sidwalk construction is where no permanent structure exists.
• Repairs to existing sidewalks.

New Alleys/Reconstruct Historic Alleys

• New alleys are those constructed where no permanent structure exists.
• Historic alleys are in historic districts and willb e constructed with historic materials.

Repairs to Curb and Gutter

• Repairs to existing curb and gutter structures (all types).

Pavement Restoration/Spot Resurfacing

• Mill and replace asphalt.
• Repair base.
• Minimal repairs to sidewalks, curbs and gutters.
• Pavement restoration done by full blocks.
• Spot resurfacing is localized repairs, due to rough or potholed pavements.

Wheelchair Ramps

• New wheelchair ramp construction is where no permanent structure exists.
• Repairs to existing wheelchair ramps (damaged).