the transportation profession. what is transportation? the safe and efficient movement… of people...
TRANSCRIPT
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The Transportation The Transportation ProfessionProfession
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What is Transportation?What is Transportation?
• The safe and efficient movement…• of people and goods…• in an environmentally conscious
manner.
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Current Transportation IssuesCurrent Transportation Issues
• Rehabilitation, reconstruction, and expansion
• Congestion• Safety• Environment• Proper integration of technology
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Transportation ModesTransportation Modes
Pipeline
Air
Water
Surface
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Surface ModesSurface Modes
Fixed Guideway
Highways & Streets
Bicycle
PedestrianPhoto credit: www.pedbikeimages.org
Used with permission.
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Relationship ModelRelationship Model
User
Vehicle Environment
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Highways and StreetsHighways and Streets
• Vehicles– Passenger cars– Trucks– Buses– Motorcycles– Bicycles– Specialty
vehicles
• Roadway environment– Freeways– Limited access
facilities– Arterials– Collectors– Local roads
Issue: mobility vs. access
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PedestrianPedestrian
• More emphasis in recent years• Conflict with vehicular traffic• Geometric features
– Sidewalks and pedestrian paths– Grade separated crossings– Refuge islands– Closures and malls– Curb cuts, extensions, etc
Design a function of volumes to provide enough space and speed.
Photo credit: www.pedbikeimages.orgUsed with permission.
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BicycleBicycle
• Types of facilities– Bike routes and lanes– Protected lanes– Sidewalk treatments– Independent pathways
• Transit links– Bicycle parking facilities– Bicycle carriers and access
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RailRail
• Features of mode– Large geographic coverage– Carrying capacity– Low cost to shipper– Best suited for large-volume or high-
weight and low-value commodities
• Backbone of long-distance bulk commodity carriage
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TransitTransit
• Mass transit– Bus service– Light rail, heavy rail, commuter rail
• Paratransit– School and other special bus and van services– Variable-route services and shared taxis– Van pools, car pool, organized ride sharing
• Other transit– People movers, trolleys, conveyors, charter
services
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AirAir
• Dual purpose– Movement of people and goods– Creation/expansion of business and
industry• Airport design features
– Runways, taxiways, and aprons– Terminal– Lighting– Circulation roads and parking
Photo credit: www.airliners.netUsed with permission.
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Water and PipelineWater and Pipeline
• Water transportation– Primarily for freight movement– Bulky commodities with low cost per unit
• National system– Waterways– Lakes– Oceans– Ports
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Water and PipelineWater and Pipeline
• Pipeline transportation– Vital to meeting energy needs– 214,000 operating miles in U.S– Transports 21% of all intercity freight– Safest form of overland transportation
• Products– Crude oil, petroleum products– Natural gas
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Intelligent Transportation Systems Intelligent Transportation Systems (ITS)(ITS)
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What is ITS?What is ITS?
• The application of high technology and computer power to current freeway, traffic, and transit systems to increase the safety and efficiency of the surface transportation system.
• Has the potential to solve future problems.
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ITS is…ITS is…
• ...Traffic and Transit Management
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...Traffic signal systems
ITS is…ITS is…
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...Global Positioning Systems
ITS is…ITS is…
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ITS is…ITS is…
• Weather information systems
• Commercial vehicle electronic clearance
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...Real-time Traveler information
ITS is…ITS is…
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Why is ITS Important?Why is ITS Important?
• Offers the next major leap forward in improving safety, convenience, and productivity of our personal and commercial travel.
• Critical as population and congestion increase, and land and funding for new roads decrease.
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How Does ITS Affect You?How Does ITS Affect You?
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What’s it Worth?What’s it Worth?
Identified benefits:• Time savings• Improved throughput• Reduced crashes and fatalities• Cost avoidance• Increased customer satisfaction• Energy and environmental benefits
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Tort Liability / Risk ManagementTort Liability / Risk Management
• Tort liability– Tort is defined as a civil wrong or injury
committed to a person or their property– Liability is defined as an obligation by law
to be responsible for an activity or action
• Tort claims act– Legislative act in which sovereign
immunity is voluntarily waived by the government
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Tort Liability / Risk ManagementTort Liability / Risk Management
• Risk management– The systematic identification of an
agency’s exposure to the risk of loss• Typical program
– Identify risks– Identify methods of
reducing/controlling risk– Implement improvements– Evaluate effects of improvements
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The EnvironmentThe Environment
– Legislation– Modify engines– Modify fuel
composition– Develop new engines
– Institute land use controls
– Improve planning techniques
– Design measures– Operations measures
• Natural and man-made contaminants• Transportation a mobile source• Transportation control measures
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Human FactorsHuman Factors
• Measurable characteristics of human beings– The driving task: guidance, control,
navigation– Driver errors and variability– Perceptual ability and acquiring information – Memory and attention– Perception-reaction time– Driver expectancy
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Human FactorsHuman Factors
• Accommodating the driver– Provide clear concise information– Use redundancy– Identify, minimize,
and separatealternatives
– Avoid unexpected situations
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Transportation PlanningTransportation Planning
• Transportation decision variables– Technology– Network– Improve current links– Operating policies– Management policies
• Activity system variables– Travel options– Long-term issues
Photo credit: www.pedbikeimages.orgUsed with permission.
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Transportation PlanningTransportation Planning
• Mechanisms for achieving land use policy goals and objectives– Planning / development regulations– Zoning– Eminent domain– Contract agreements– Tax structure
Photo credit: www.pedbikeimages.orgUsed with permission.
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Career OpportunitiesCareer Opportunities
• Vehicle operation• Passenger assistance• Vehicle assembly and
maintenance• Planning, engineering, and
construction• Safety and the environment
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Opportunities: ITS SpecialistsOpportunities: ITS Specialists
• Aerospace engineers• Environmentalists• Systems engineers• Computer scientists• Communications engineers
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Opportunities: Required SkillsOpportunities: Required Skills
• Engineering• Electronics• Communications• Systems integration
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Questions?Questions?