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About Rapides Area Planning Commission(RAPC)
What Is Travel Demand Management (TDM)?
What Does TDM Mean to Our Communities?
Communities We Are Working With
Surveys and Findings
Travel and Commute Choices
Helpful Links

RAPC Travel Demand Management


What is Travel Demand Management(TDM)?

Travel demand management is about providing travelers, regardless whether they drive alone, with travel choices, such as work location, route, time of travel and mode.(FHWA, 2006)

The original concepts of travel demand management (TDM) took root in the 1970s and 1980s from legitimate desires to provide alternatives to single occupancy commuter travel to save energy, improve air quality, and reduce peak period congestion. Today, managing travel demand has broadened to encompass the desire to optimize transportation system performance for commute and non-commute trips and for recurring as well as non-recurring events.

Growth in population, number of vehicles and travelers, freight, and development has affected travel demand and reshaped travel patterns. Managing travel demand now occurs at shopping malls, tourist sites, employment areas, and special events such as the Olympics. The need to manage demand can occur in the middle of the day, evenings, or on weekends. Demand-oriented approaches are needed to address the transportation issues created by growth and the variability in demand for use of the systems.(FHWA,2008)

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What Does TDM Mean to Our Communities?

Providing access to alternative modes of transportation and encouraging their use has many benefits in health and community vitality, including:

  • Reduced traffic congestion

  • Reduced infrastructure investment costs (parking spaces, road maintenance, etc)

  • Improved air quality

  • Improved overall community health

  • Improved travel options for the economically disadvantaged

  • Less dependence on fossil fuels

  • Reduced overall cost of parking, gasoline, insurance and wear/tear on automobiles

  • Reduced greenhouse gas emissions

  • Improved access to jobs

  • Increased worker productivity

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Communities We Are Working With

Pinecrest Supports and Services Center

Located in Pineville, Louisiana, Pinecrest Supports and Services Center is the one of the three supports and services centers in Louisiana providing residential services along with an array of community-based supports for citizens with developmental disabilities.

With over 1,300 employees, Pinecrest is one of the largest employers in central Louisiana. If you ever visited Pinecrest Center, you would notice that they have a big and pretty campus with multiple buildings and playgrounds, nice landscaping, well-planned street networks and ample parking spaces. A small number of administrative staff works from 8 to 5 everyday. Most of the medical employees are accustomed to three work shifts a day, which has alleviated traffic stress during rush hours.

Challenges appear at shift changes and lunch breaks. There are two entrances on Pinecrest campus, but only one of them is in appropriate roadway condition to carry daily traffic. This main entrance goes through Pinecrest Dr., which intercepts with Military Hwy and Monroe Hwy. A traffic count study conducted by RAPC shows the peak hours on Pinecrest Dr. throughout a typical work day.

RAPC has conducted series of transportation studies toward Pinecrest Center and the employees. Studies identify three major concerns related to infrastructure:

  • Making a left turn at the intersection of Pinecrest Dr. and Military Hwy during peak hours is dangerous. Safety improvement is needed at this intersection.

  • Traffic congestion on Pinecrest Dr. during peak hours heavily backs up the commuters. An alternative exit from the campus would greatly enhance peak hour mobility.

  • It is dangerous for bicyclists and pedestrians traveling along Pinecrest Dr. A side walk/ bike lane would be necessary to encourage commuter to switch to alternate transportation modes.

The studies found out that the Pinecrest employees are overall satisfied with their routine of traveling from home to work. There are 20% of the commuters show interests in alternative transportation information. 30% of the commuters would switch to alternative transportation modes if certain facilities or financial aids were offered.

The main goal of the TDM program is to improve mobility and safety by promoting alternative transportation options. RAPC has been working with Louisiana Department of Transportation and Development, Alexandria-Pineville Transit Authority and the City of Pineville to accomplish this goal. A complete presentation of the TDM studies can be found in the following section.

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Surveys and Findings


Commuter Survey


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Travel and Commute Choices




Traveling by Bus

Bicycle and Pedestrian

Work From Home

Flexible Working Time

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Accessibility: The ability of an individual to access facilities, such as employment, shops, schools, hospitals, transport etc.

Bus priority lanes: A lane reserved by a marking or sign installed at the start of the lane and at each point at which the lane resumes after an intersection for the use of buses and cycles, mopeds and motorcycles (unless either or all of the last three modes are specifically excluded by the sign).

Expressways: Expressways are generally high-speed (80-100km/hr) national routes with four lanes and well-spaced at-grade intersections.

HCV: Heavy commercial vehicle.

HOT: High occupancy toll (lanes).

HOV: High occupant vehicles.

Kiss and Ride: Facility to enable a private motor vehicle driver to drop off a passenger(s) to take public transport to destination. Usually bus or rail based.

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Helpful Links

TDM at Federal Highway Administration

Online TDM Encyclopedia

Integrating Active Traffic and Travel Demand Management

TDM in Other Regions:

Dallas-Fort Worth, Texas

Denver, Colorado

Chicago, Illinois

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