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  HOME »  Glossary
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 GLOSSARY: I
      
   ABBREVIATION AND ACRONYM        

NOMENCLATURE
CIRCLE of RELATIVITY
     
I Interstate or Interstate Projects (I-1234) TIP Projects
IMAP Incident Management Assistance Patrol Traffic Control
IN Inch Plotting
ISTEA Intermodal Surface Transportation Efficiency Act National Statue



   DEFINITION        

independent shape- geopak superelevation shape to which its starting grade point elevations is    independent of the proposed profile. independent shapes rely on the elevations of dependent shapes to    extract elevation datum. Turning lanes are the appropriate applications for independant shapes. Also see dependent shape, geopak shape, offset, and tie.

   
 
 
 
D  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
ƒ  
   

 NOTE: Some terminologies are Industry Standards and some are native to North Carolina Department of Transportation.
Disclaimer: The content on the CADD Tutorial Web Pages are to be use as a general guide in producing a set of NCDOT Roadway plans. It should not be used as the sole reference to seal a set of plans. All other official Glossary, such as THE ROADWAY DESIGN MANUAL and AASHTO A POLICY ON GEOMETRIC DESIGN OF HIGHWAYS AND STREETS (The "Green" Book) take precedence. The content contained on the CADD Tutorial web pages has no legal merit.