Arterial- A major through route; arterial often provide direct service between cities and large towns.
Egress- A way out or exit, an exit ramp on an interstate
Benchmark- A surveyor's mark on a permanent object of predetermined position and elevation used as a reference point
Feeder- A smaller road that flows into a larger road
Tangent Line- The tangent line (or tangent)is a curve at a given point is the straight line that touches the curve at that point
Curve Length (L) - The length of a curve between objects or around an obstacle
Delta Angle- The change in angle of a curve
Point of Intersection (P.I.)- Intersection of roads
Sight Distance- Length of the roadway ahead visible to the driver
Vertical Curve- A transition between two elevations
Driveway- A driveway is a type of private road for local access to one or a small group of structures
Ingress- Entering, an on ramp on an interstate
Point of Tangency- Point at which a tangent line intersects a curve
Transit Line- A line providing public transit
Cut and Fill- The process of earth grading by excavating part of a higher area and using the material to fill in an adjacent lower area
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