ABBREVIATION AND ACRONYM

NOMENCLATURE		CIRCLE of RELATIVITY
R	Rural Projects (R-1234) or Radius	TIP Projects
RC	Remove Adverse Crown, Reverse Crown, or Reverse Curve	Roadway Typicals
RCBC	Reinforced Concrete Box Culvert	Roadway Plans
RCP	Reinforced Concrete Pipe	Hydraulic Plans
RDM	Roadway Design Manual	Design Criteria Worksheet
REINF	Reinforced	Roadway Plans
REM	Remove	Roadway Plans
REPL	Replace	Roadway Plans
RESURF	Resurface	Roadway Profiles
RET	Retain	Roadway Plans
ROD	Record of Decision	EIS Results Documentation
ROW	Right of Way	Right of Way Plans
RP	Ramp (-RPA-, -RPD-)	Roadway Plans
RPO	Rural Planning Organizations	Planning Correspondents
RR	Railroad or Rip Rap or Rub Rail	Roadway Plans
RRR or 3R	Resurfacing, Restoration, and Rehabilitation	Type of Roadway Project
RS	Reverse Spiral	Roadway Plans
RT	Right	Roadway Plans
RTCD	Radius Type Concrete Drive	Roadway Plans

DEFINITION

roadway ditch ƒ1- 1. A roadway cut section with an applied special ditch grade. 2.A previously defined roadway fill section whereas the side slope has been extended at the same slope with an applied special ditch grade resulting in as a cut section. roof top slope or crown section ƒ2- 1. A typical section whereas the grade point pavement slope begins at the centerline. 2.ƒ1 On a few divided facilities, whereas a PGL chain is used and/or having variable median widths, the grade point may sometimes be located in the center of roadway on each side of the median.[image]