Roadway Elements
This transition element gradually introduces curvature
What is spiral transition?
This is the feature definition name used when creating horizontal and vertical geometry
What is "ALG_Centerline"?
An ORD feature that generates sheet borders automatically along an alignment
What is named boundary?
A drainage item with the acronym RCP
What is reinforced concrete pipe?
This taper length would be used for a single lane-drop on a road with 11-foot lanes and design speed of 35 mph
What is 330 feet?
The NCDOT employee who approves and seals the typical section sheets
Who is the pavement design engineer?
This was the minimum grade for an alignment, changing to 0.5% with the May 2024 Roadway Design Manual release
What is 0.3%?
The maximum taper length of a bulb out per the Roadway Design Manual
What is 180 feet?
This template feature automatically adjusts cut and fill slopes until they intersect with an existing ground surface
What is an end condition?
This is a stamp that must be removed when creating Right of Way plans
What is do not use for R/W acquisition?
A utility color representing natural gas
What is yellow?
Use this in the R/W plans when drainage and utility facilities are in the same area but beyond existing R/W
What is drainage utility easement (DUE)?
This value is vertical curve length divided by grade difference
What is K-value?
A structure commonly located at the end of a culvert pipe
What is a headwall?
These are two reasons could be why NCDOT would cap superelevation below Greenbook standards
What are snow/ice conditions and low volume roads?