Definitions

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Base Aggregate

Crushed rock that serves as the foundation for the new road.

Catch Basin

Reservoir that excess rainwater and snow melt passes through before entering a storm sewer designed to collect debris and large material, preventing hazards from entering the storm sewer system.

Curb Extensions

Traffic calming measure used to increase visibility at intersections and shorten the distance a pedestrian must travel to cross a street.

Image of how the curb extensions will be set up at the intersection of Oakland Avenue and Olive Street

Driveway Approach

The area of a driveway or parking lot between the sidewalk and roadway.

Expansion Joints

Planned separation of concrete, commonly created via saw-cut, that allows for movement during thermal contraction and expansion to prevent future damage to the roadway.

Long-Term Closure

The closure of a roadway, lane, sidewalk or driveway for more than 24 hours.

Manhole

Underground utility access point.

Pavement Milling

The process of removing the surface layer of asphalt or concrete.

Pavement Removal

Removal of all layers of pavement using excavators.

Rectangular Rapid Flash Beacons

Pedestrian activated light installed at uncontrolled intersections with marked crosswalks to increase visibility and safety while pedestrians are crossing a street.

Image of a rectangular rapid flashing beacon.

Roadway Base

The top layer of fine crushed gravel that concrete or asphalt pavement is placed upon.

Roadway Excavation

Removal and disposal of the existing roadway and roadway base.

Saw-cut

Precise cutting of concrete using specialty equipment, designed to prevent future street cracking and to increase structural integrity, or to create a straight line between pavement to be removed and pavement to remain.

Short-Term Closure

The closure of a roadway, lane, sidewalk or driveway for 24 hours or less

Storm Sewer

Underground system built to transport excess rainwater and snow melt.

Temporary Lighting

Lighting on removable poles within the project limits.

Underground Electrical

Electrical conduits carrying wiring beneath the roadway bed.

Water Main

Primary underground pipe used to transport clean water from treatment facilities to homes, neighborhoods, businesses and fire hydrants.

Water Services

Smaller water pipes that branch from the water main that provide water service to residences and businesses.