To help you understand more of the design process, we listed and defined common terms, phrases, and acronyms. For some items, you may see a "(Learn More)" link. Clicking on these links will open a separate browser window to a website relating to the item.
We tried to be all inclusive, however if you heard something in a meeting or somewhere else on this site you don't understand, please
Contact Us and we will add it to our list.
A
ADT - Average Daily Traffic
B
BCR - Bridge Condition Report
C
CBD - Central Business District
CMAP - Chicago Metropolitan Agency for Planning
D
DHV - Design Hour Volume
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E
EA - Environmental Assessment
EIS - Environmental Impact Statement
F
FAP - Federal-Aid-Project; Federal-Aid-Primary (Route)
FHWA - Federal Highway Authority
FRA - Federal Railroad Administration
H
HMA - Hot-Mix Asphalt
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I
IDNR - Illinois Department of Natural Resources
(Learn More)
IDOT - Illinois Department of Transportation
L
LOS - Level of Service
M
MCDOT - McHenry County Division of Transportation
N
NEPA - National Environmental Policy Act (Learn More)
P
PDP - Proposed Drainage Plan
PDR - Project Development Report
R
ROW - Right-of-Way
S
T
TAG - Technical Advisory Group
V
V/C - Volume to Capacity