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aesthetic   aesthetics; refers to the visual quality of structural or architectural elements and settings. AADT   Average Annual Daily Traffic AASHTO   American Association of State Highway and Transportation Officials (develops design guidelines for transportation facilities) ACC/MVM   Accidents Per Million Vehicles Miles Traveled ACOE   United States Army Corp of Engineers; is the agency bound with the responsibility of enforcing Federal regulations governing waters of the United States, typically reviewing findings for wetlands and water quality studies (see also: COE; USACOE). ADT   Average Daily Traffic Alternate Routes   a different way to get to a destination. An alternate truck route north of Douglas Road will be identified as part of this study. APCD   Air Pollution Control Division APE   Area of Potential Effect; geographical area established by the project team under Federal guidelines within which direct or indirect environmental effects could be expected to occur and to identify specific locations for further investigation and documentation. arterial roadway   high volume local roadway primarily carrying through traffic on a generally continuous route. Arterial roadways can be further delineated as major or minor arterials depending on traffic volume and capacity. ATA   American Trucking Association at-grade crossing   location where crossing traffic shares the same elevation or "grade". Typically used to describe a common rail /roadway crossing or a roadway intersection. (see also: grade separation) AVC   Automatic Vehicle Classification AVI   Automatic Vehicle Identification AVO   Average Vehicle Occupancy AWDT   Average Weekday Daily Traffic

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Ballot Initiative 200   an ordinance passed in November 1999 by the residents of Fort Collins. The approval of this ordinance led to the creation on the Northern Colorado Truck Mobility/SH14 Relocation Study. BAVA   Buckingham Alta Vista Anderson barrier   physical separator between elements erected for specific purposes such as blocking noise or channeling traffic (see also: noise barrier; sound barrier; traffic barrier). BEA   Bureau of Economic Analysis BLM   Bureau of Land Management BMP   Best Management Practices BNRR   Burlington Northern Railroad; pre-merger name. (see also: BNSF) BNSF   Burlington Northern Santa Fe; railroad. Burlington Northern railroad name after acquisition of Santa Fe Rail Road. (see also: BNRR)

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CAAA   Clean Air Act Amendments CBD   Central Business District CD Road   Collector Distributor Road CDL  Commercial Drivers License; A state-issued vehicle operator's license that is national in scope. Excessive violations and/or accidents result in license revocation so that a poor driver may not operate a commercial vehicle in any state. Under the program, state licensing agencies are linked by a computer network. CDOT   Colorado Department of Transportation CDOW   Colorado Division of Wildlife CDPHE   Colorado Department of Public Health and Environment CFTB   Citizens for a True Bypass cloverleaf interchange   common interchange configuration deriving its name from the pattern created by the ramps. "Clovers" are designed to maximize traffic capacity and flow but require more space than a diamond interchange. They are known as "full" when all four leaves are present and "partial" when the configuration is combined with other types of interchange designs. (see also: diamond interchange; trumpet interchange). CMCA   Colorado Motor Carriers Association CNHP   Colorado Natural Heritage Program CO   Carbon Monoxide COE   United States Army Corps of Engineers; is the agency bound with the responsibility of enforcing Federal regulations governing waters of the United States, typically reviewing findings for wetlands and water quality studies (see also: ACOE; USACOE). COG   Council of Governments; organization of local municipalities established to cooperatively plan community growth and therefore are particularly involved in transportation issues. Comparative Screening Analysis   a part of the evaluation process that compares the relative impacts and benefits of each alternative. conceptual design   idea or feasibility phase of the design process during which various alternatives are developed and tested. During this phase various environmental and engineering issues are identified and accounted for prior to advancing a preferred alternative into the preliminary and final design phases. (see also: preliminary design; final design) CSU   Colorado State University Cultural Resources   Historical, Archeological and Paleontological sites and or artifacts of cultural value. CVO   Commercial Vehicle Operations CVSA   Commercial Vehicles Safety Alliance CWA   Clean Water Act CWQCC   Colorado Water Quality Control Commission

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dBA   Decibels; measurement of sound pressure on the "A" weighted scale. design speed   or maximum design speed; the maximum safe speed that can be maintained under ideal conditions for a given section of highway. A desired design speed is typically set to determine particular design criteria for highway geometry. The design speed is ideally 10 mph greater than the intended posted speed limit as a margin of safety. (see also: posted speed) DHV   Design Hour Volume diamond interchange   common interchange configuration deriving its name from the pattern created by the ramps. Diamonds can be described as "small", "tight", or "compressed" if they are designed to minimize space requirements, or "partial" when the configuration is combined with other types of interchange designs. (see also: cloverleaf interchange; trumpet interchange). DIM   Dimension in Motion DLA  Department of Local Affairs DOR  Department of Revenue DOT   Department of Transportation DOW   Division of Wildlife (Colorado)

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EA   Environmental Assessment EB   eastbound direction of travel. Eighteen-Wheeler   A typical semi-trailer combination made up of a three-axle tractor, or power unit, and a single two-axle trailer; the front, or steering axle, of the tractor is equipped with two wheels, but the two rear axles of the tractor and both axles of the trailer have four wheels each, for a total of eighteen wheels. EIS   Environmental Impact Statement Eliminate Unrealistic Alternatives   a part of the evaluation process that eliminates alternatives that clearly do not meet the goals and objectives of the study. EO   Executive Order EPA   Environmental Protection Agency ESA   Endangered Species Act

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FEMA   Federal Emergency Management Agency FHWA   Federal Highway Administration; part of the United States Department of Transportation; provides and administers financial assistance to the States to construct and improve the National Highway System and coordinates compliance with federal safety and environmental regulations. fifth-wheel   A large steel casting mounted on the rear of a tractor, which engages and holds a latch mechanism on the bottom front of the trailer. final design   Final phase of the design process during which a final plan and specification package is prepared. This package, also known as a 'bid' package, is used by construction contractors to price and build a project. FONSI   Finding of No Significant Impact freight   truck cargo FTA   Federal Transit Administration

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GIS   Geographic Information Systems GMA   Growth Management Area GOCO   Greater Outdoor Colorado grade separation   location where a bridge (overpass) is used to separate crossing traffic by creating an elevational or "grade" difference which will allow one movement to pass over the other. (see also: at-grade crossing)

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HCM   Highway Capacity Manual; FHWA manual for highway capacities used as a guideline to uniformly make future traffic volume projections. HELP   Heavy Vehicle Electronic License Plate HPC   Historic Preservation Commission HOA   Homeowner Association horizontal alignment   horizontal geometry; alignment of a roadway horizontally, determining degree of curves, superelevation, and the lengths of, or, distances between these features based upon parameters such as design speed, sight distance, and driver comfort.(see also: vertical alignment; superelevation) Hours-of-Service   The maximum number of hours the federal government allows an intercity truck driver to work without rest. Current limits are 60 hours of work in a seven-day period or 70 hours in an eight-day period. Truck drivers can also spend no more than 10 hours at the wheel followed by at least 8 hours of rest. HOV   High Occupancy Vehicle

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ICD   In-cab Device IGA   Intergovernmental Agreement independent utility   federal funding term describing a project which can stand alone, when completed, requiring no additional work or funding to be functional for a given specific use. infrastructure   basic framework or permanent installations of the highway transportation system. interchange   Location where two converging roadways are grade separated by bridge structure with ramps connecting various directions of travel between the roadways. (see also: intersection; overpass) intersection   location where two converging roadways meet and cross at-grade (see also: interchange; overpass). Interstate Commerce   buying and selling of goods between states. Over the road trucks play a large part in conducting Interstate commerce. ISTEA   Intermodal Surface Transportation Efficiency Act ITS   Intelligent Transportation System IVHS   Intelligent Vehicle Highway System

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LTL Carrier   A Less Than Load motor carrier that specializes in hauling shipments too small to make a full truckload. Small package freight gathered from individual customers is trucked to a terminal where it is consolidated into truckloads for intercity shipment. LOS   Level of Service; graduated scale describing traffic congestion conditions established by the Transportation Research Board where (A is best and F is worst). Lumping   A common practice to speed the process of unloading cargo, in which an unemployed individual is hired to help unload freight from a truck, usually in return for a cash payment from the truck driver. Lumping payments may be reimbursed by the shipper or the trucking company, or may not be reimbursed at all. LUST   Leaking Underground Storage Tank

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Mitigation   various measures to minimize harm to NEPA and USDOT Section 4(f) protected resources, due to transportation improvements. (see also: Section 4(f);and MOA) MOA   Memorandum of Agreement; agreement on mitigation efforts to resolve adverse effects to historic properties under the National Historic Preservation Act. Motor Carrier   a trucking company MP   milepost mph   miles per hour MPO   Metropolitan Planning Organization MUTCD   Manual on Uniform Traffic Control Devices

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NAAQS   National Ambient Air Quality Standards NAC   Noise Abatement Criteria NAFTA   North American Free Trade Agreement; trade agreement between Mexico, Canada and the United States intended to increase economic interaction. NAFTA is expected to increase truck and rail traffic on major north/south corridors particularly in western states. NB   Northbound direction of travel. NEBA   Northeast Businesses Association NEPA   National Environmental Protection Act NFR   North Front Range NFRT & AQPC   North Front Range Transportation & Air Quality Planning Council NHD   National Historic District NHP   National Heritage Program NHPA   National Historic Preservation Act NHS   National Highway System noise barrier   Barrier or wall (noise wall) erected to block or deflect noise (see also: sound barrier). non-route based strategies   ways to encourage truck traffic to use the Interstate (I-25 and I-70) instead of the existing route. NPDES   National Pollutant Discharge Elimination System. NRCS   Natural Resource Conservation Service. NRHP   National Register of Historic Places NSC   National Safety Council NTP   Notice-to-Proceed; official notification to a contractor that permission is granted to begin work under a specific contract or task order.

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OAHP   Office of Archeology and Historic Preservation OCRC   Owl Canyon Road Coalition O & D   Origin & Destination OES   Office of Environmental Service O&M   Operation and Maintenance overpass   location where two converging roadways are grade separated by bridge structure and no ramps are provided to connect the roadways (see also: interchange; intersection). Owner-Operator   An individual who drives his own tractor rather than one owned by a carrier

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PAC   Policy Advisory Committee PM   Project Manager PMT   Project Management Team PM10   Particulate Matter 10; Particulate matter less than ten microns diameter on a scale categorizing airborne particles. Port of Entry   a place where goods are cleared by a regulatory agency. A port of entry is located on I-25 just south of SH14 and is regulated by the Department of Revenue. posted speed   the maximum speed limit posted for any given section of a highway. The posted speed limit is ideally 10 mph less than the maximum design speed. (see also: design speed) PR   Public Relations preliminary design   first phase of the final design process during which a 30% plan package is prepared. This package is used by CDOT to troubleshoot the overall scope of a project prior to more the detailed final design. (see also: conceptual design; final design) Pre-pass   type of technology used to process trucks through ports of entry more efficiently and quickly. PUC   Public Utilities Commission

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QC   Quality Control

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raptor   any species of predatory bird. RCRA   Resource Conservation and Recovery Act REA   Re-evaluated Environmental Assessment Regulation (economic and safety)   Economic regulation of the interstate trucking industry ended in 1981. Prior to 1981, the federal government restricted the number of motor carriers (trucking companies) on a particular route and set the rates they could charge. Safety regulations have increased in the past decade, in which the federal government requires certain procedures (see Hours-of-Service) to be used and equipment to be used. REQA   Regional Environmental Quality Advisor (NEPA Representative). Right-of-Way  (see: ROW) riparian   relating to or living on the bank of a natural watercourse. ROW   Right-of-Way; Public land dedicated for use in providing public roadways. RR   Railroad RTD   Regional Transportation Director/District RTP   Regional Transportation Plan

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SADT   Summer Average Daily Traffic SB   Southbound direction of travel. SCS   Soil Conservation Service (United States) SHPO   State Historic Preservation Officer or State Historic Preservation Office. Section 4(f)   Section 4(f) of the Department of Transportation Act of 1966 (49 U.S.C. 303), states that “it is the policy of the United States Government that special effort should be made to preserve the natural beauty of the countryside and public park and recreation lands, wildlife and waterfowl refuges, and historic sites.” The FHWA determines applicability and compliance of Section 4(f) regulations on transportation projects. (see also: FHWA) service life   expected or actual term a facility such as a bridge structure or a roadway remains in use. SIP   State Implementation Plan sound barrier   barrier or wall (sound wall) erected to block or deflect noise. (see also: noise barrier) SOV   Single Occupant Vehicle Stakeholders Committee   a group comprised of various representatives from affected agencies and the public. STIP   Statewide Transportation Improvement Plan superelevation   the banking or tilt given to a curved roadway (the outside of the curve is higher than the inside) to counteract the effect of centrifugal force of a vehicle traveling at an assumed design speed.(see also: design speed)

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TAZ   Traffic Analysis Zone TCP   Traffic Control Plan TDM   Traffic Demand Management TDP   Transportation Development Program T&E   Threatened and Endangered TIP   Transportation Improvement Plan TL Carrier   A Truck Load carrier that carries a full trailerload from a single shipper directly to a single receiver. TM   Transportation Management TPR  Transportation Planning Region traffic barrier   barrier erected to protect traffic from roadside hazards, edges of bridge structures and walls or to separate opposing directions of traffic. TransCAD   a travel demand model used in this study to forecast potential travel changes due to new bypass routes. Triangle   term used to describe the area between Fort Collins, Laramie, and Cheyenne. TSM   Transportation System Management

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UFRRPC   Upper Front Range Regional Planning Commission USACOE   United States Army Corps of Engineers; is the agency bound with the responsibility of enforcing Federal regulations governing waters of the United States, typically reviewing findings for wetlands and water quality studies (see also: COE; ACOE). USDA   United States Department of Agriculture USDOT   United States Department of Transportation USEPA   United States Environmental Protection Agency (also: EPA). USFWS   United States Fish & Wildlife Service UST   Underground Storage Tank (see also: LUST).

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VdB   Vibration Decibel: Average Vibration Fluctuations Over an Hour vertical alignment   vertical geometry; alignment of a roadway vertically, determining grades, crests, valleys, and the lengths of, or, distances between these features based upon parameters such as design speed, sight distance, drainage and driver comfort.(see also: horizontal alignment) VMS   Variable Message Signs VMT   Vehicle Miles Traveled VPD   Vehicles Per Day VPH   Vehicles Per Hour

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WADT   Winter Average Daily Traffic WB  westbound direction of travel. weave   weaving; crossing of traffic streams which are entering and exiting a highway system between the ramps of adjacent interchanges. weave distance   space available between the gores of ramps from adjacent interchanges for the crossing or weave of traffic entering and exiting the system. wetlands   land area where at least 50% of the vegetation is hydrophic vegetation, has wetland hydrology and hydric soils. Wetlands are under jurisdiction of the USACOE . WIMS   Weigh In Motion Scales WQCC   Water Quality Control Commission. WYDOT   Wyoming Department of Transportation

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