DRAFT Comprehensive Transportation Plan Update: 2/23/2018 version

GLOSSARY

OF TERMS

ACRONYM/TERM

ACRONYM DEFINITION

DEFINITION

The pedestrian hybrid beacon (PHB) is a light installed at mid-block crossings that remains dark until a pedestrian presses the pushbutton to activate the system.

PHB

Pedestrian Hybrid Beacon

PROWAG provides standards for newly designed and constructed streets and sidewalks that are governed by the ADA. Example facilities covered by PROWAG include pedestrian street crossings, accessible signals and pushbuttons, handrails, and many more.

Accessibility Guidelines for Pedestrian Facilities in the Public Right-of-Way

PROWAG

RDU

Raleigh-Durham International Airport

The Regional Transit Center is adjacent to Research Triangle Park and is managed by GoTriangle.

RTC

Regional Transit Center

Research Triangle Park is located just on the fringe of Morrisville, spanning both Wake and Durham Counties. The research and technology park is approximately 7,000 acres and is home to more than 26000 businesses and nearly 50,000 employees.

RTP

Research Triangle Park

Sharrows are pavement markings used to denote that bicycles “share” the travel lane with motorized traffic.

Sharrow

N/A

A staged, multiyear, statewide intermodal program of transportation projects which is consistent with the statewide transportation planning processes, Metropolitan Transportation Plans (MTP), Transportation Improvement Programs (TIP).

State Transportation Improvement Program

STIP

The common name used for the trust fund or process established under the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA) to clean up hazardous waste sites across the U.S.

Superfund

N/A

A system of actions whose purpose is to alleviate traffic problems through improved management of vehicle trip demand. These actions, which are primarily directed at commuter travel, are structured to either reduce the dependence on and use of single-occupant vehicles, or to alter the timing of travel to other, less congested time periods. A facility with a functional purpose of moderate to low mobility and high access. The facility has no control of access, traffic signals, driveways with full movements, and a minimum of 2 travel lanes without a median. Connections are provided primarily at at-grade intersections. The Transportation Improvement Program identifies the transportation projects that the Capital Area MPO and NCDOT plan to complete over the next 10 years. The TIP is incorporated directly into North Carolina’s State Transportation Improvement Program (STIP). The Triangle Regional Model is a state of the practice travel demand model developed and maintained by the Travel Behavior Modeling Group and four stakeholder sponsors: NC Department of Transportation, Durham-Chapel Hill- Carrboro Metropolitan Planning Organization, Capital Area Metropolitan Planning Organization, and GoTriangle. The Triangle Regional Model is used to plan transportation investments in the Triangle region of North Carolina. A Unified Development Ordinance is a local policy instrument that combines traditional zoning and subdivision regulations, along with other desired Town regulations, such as design guidelines, sign regulations, and stormwater management into one document.

Transportation Demand Management

TDM

Thoroughfare

N/A

Transportation Improvement Program

TIP

TRM

Triangle Regional Model

Unified Development Ordinance

UDO

The U.S. Access Board (USAB) is a federal agency that promotes equality for people with disabilities through leadership in accessible design and the development of accessibility guidelines and standards.

USAB

United States Access Board

A ratio of volume to capacity: A ratio >1 indicates the facility is carrying more traffic than it can handle and improvements may be needed.

V/C

Volume to Capacity Ratio

The total number of vehicles that pass a particular point on the road during a period of 24 consecutive hours.

VPD

Vehicles per day

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