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Transportation Management, Intelligent Transportation Systems, and Other Adaptations to Maturity in the Highway Sector David Levinson.

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Presentation on theme: "Transportation Management, Intelligent Transportation Systems, and Other Adaptations to Maturity in the Highway Sector David Levinson."— Presentation transcript:

1 Transportation Management, Intelligent Transportation Systems, and Other Adaptations to Maturity in the Highway Sector David Levinson

2 Why Transportation Systems (Supply) Management We have largely built out existing transportation network (S- Curve). Highways are a mature system. More efficient (faster, safer, greater person flows (and vehicle flows)) use of existing transportation facilities without significant new construction. Complements TDM strategies - but not aimed at reducing demand.

3 Identify TSM Tools High Occupancy Vehicle Lanes (HOV Lanes) High Occupancy Toll Lanes (HOT Lanes) Bus Priority Lanes, Queue Jumpers, Signal Pre-emption Park and Ride Lots Ramp Meters Highway Helpers Variable Message Signs Electronic Toll Collection Highway Access Management Other “Intelligent Transportation Systems” Other

4 What are advantages, disadvantages of each Table: TSM MeasureAdvantagesDisadvantages

5

6 Background Ramp Metering in the Twin Cities 443 ramp meters in the metro area; Zonal control; Long delays at some ramps; All meters were shut off for 8 weeks from Oct. to Dec., 2000.

7 Overview 1.TDM a.What is it? b.Who are the players? 2.Tools and techniques a.Effectiveness? 3.Strategies for implementation

8 Understanding the jargon TMA or TMO TDM TRO or TDM plan

9 TDM: What is it? Demand driven…even demand oriented Attractive strategy (akin to least cost planning) –“reduces resource requirements (e.g., oil for fuel) on the input side of the balance sheet and the magnitude of waste material (e.g., air pollution) on the output side of the equation. –Increase the efficiency of the transportation system at little cost

10 Different Types of TDM Alternative work schedules Staggered Flex time Four-day week Telecommuting Alternative modes Carpools Vanpools Subscription buses Parking management Preferential parking Parking pricing Parking ratios Park-n-rides Road Pricing Preferential HOV lanes Congestion pricing Transit Employer sponsored Employer subsidized Land use zoning Higher densities Mixed use development TOD

11 Issues/dimensions to understand Suitability of the metro area? Likely travel impacts –For what type of travel (reductions in SOV use, trip generation, VMT or increases in transit use?) Costs –For whom? Levels of acceptance Difficulty of implementation

12 Costs of Telecommunications? May induce travel May induce leapfrog development in the hinterland May encourage “lone eagles” Role of the Web? Long term effectiveness?

13 Implementation: Transportation Management Organizations and TROs

14 Products, Services, Facilitation from TMO Ridesharing information and assistance (e.g., computerized carpool matchlists) Transit information and assistance (e.g., route maps and bus schedules) Convenience incentives (e.g., parking spaces) Financial incentives (e.g., transit pass subsidies) Program operations (e.g., vanpools) Alternative work schedules On-site amenities (e.g., child day care) Facilities improvements (e.g., bicycle lockers)

15 Case study: Minneapolis Current situation: –60,000 parking stalls (city owns two-thirds of them) –145,000 people work Downtown (roughly 2/3 use transportation alternatives) New Comprehensive Plan and Zoning Code codified specific TDM Plan requirements (’99). –New developments > 100,000 sf produce a TDM Plan. Also, Public Works still exercises its blanket authority to require plans for smaller projects if warranted –What is in the TDM plan?


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