Shelley Row Director, ITS Joint Program Office Research and Innovative Technology Administration...
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![Page 1: Shelley Row Director, ITS Joint Program Office Research and Innovative Technology Administration U.S. Department of Transportation Surface Transportation.](https://reader030.fdocuments.net/reader030/viewer/2022032709/56649ec15503460f94bccdc1/html5/thumbnails/1.jpg)
Shelley RowDirector, ITS Joint Program OfficeResearch and Innovative Technology AdministrationU.S. Department of Transportation
Surface Transportation Weather Research & Development
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Previous World
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Current World
![Page 4: Shelley Row Director, ITS Joint Program Office Research and Innovative Technology Administration U.S. Department of Transportation Surface Transportation.](https://reader030.fdocuments.net/reader030/viewer/2022032709/56649ec15503460f94bccdc1/html5/thumbnails/4.jpg)
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Trends
• Growing Congestion• Stagnant Safety• Limited Public Resources• Ever-growing expectations for instant
information• Explosion of Technology
![Page 5: Shelley Row Director, ITS Joint Program Office Research and Innovative Technology Administration U.S. Department of Transportation Surface Transportation.](https://reader030.fdocuments.net/reader030/viewer/2022032709/56649ec15503460f94bccdc1/html5/thumbnails/5.jpg)
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Growing Congestion
Between 1982 and 2003:
103% increase in highway travel
Impacted by congestion
55% increase in the length of
Rush hour
![Page 6: Shelley Row Director, ITS Joint Program Office Research and Innovative Technology Administration U.S. Department of Transportation Surface Transportation.](https://reader030.fdocuments.net/reader030/viewer/2022032709/56649ec15503460f94bccdc1/html5/thumbnails/6.jpg)
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Road Weather & Congestion
• Weather & Mobility on the Nation’s Highways– About 25% of non-recurrent
congestion on freeways is due to weather
– System delay is 1 billion hours per year
– Weather-related delay adds $3.4 billion to freight costs annually
(2 of 4)
![Page 7: Shelley Row Director, ITS Joint Program Office Research and Innovative Technology Administration U.S. Department of Transportation Surface Transportation.](https://reader030.fdocuments.net/reader030/viewer/2022032709/56649ec15503460f94bccdc1/html5/thumbnails/7.jpg)
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Slow Pace of Deployment
• 2,435 ESS in US
• 162,373 miles in the National Highway System– One ESS for every 67 miles
• 980,968 miles of Federal-Aid Highways– One ESS for every 403 miles
• Distribution is spotty
• Doesn’t include 3,030,662 miles of non-Federal-Aid Highways
Weather conditions change within feet – not miles
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Growing Expectations for Connectivity
• Consumers Experience– Connectivity all times, every where– Streaming video on cell phones
• Road Weather Managers Have
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Road Weather Research Needs
• Road weather information– Clarus
– VII
• Decision Support Systems• Weather & Transportation Partnerships
– Public
– Private
ITS: Capturing Transportation’s Imagination through Technology
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Road Weather Information
Route Specific Radio & TV
Broadcasts of Travel Conditions
More Effective Websites
Credible & Precise Travel Advice
Add Detail to HAR & VMS Spawn New
Technologies(PDA, cell)
Enhanced decision making toolsIn-vehicle
Information
Anytime, Anywhere Road Weather
Information
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The Clarus System
State DOTRWIS Server
CollectorServices
QualityChecking
WebPortal
7 DayData Cache
MetadataCache
The Clarus System
State DOTRWIS Server
State DOTRWIS Server
State DOTGPS/AVL
VII Probe-Based Data
Nationwide Data Management System forSurface Transportation Environmental & Pavement Condition Observations
•Observations•Metadata•Quality Flags
Environment CanadaRWIN Server
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Road Weather Information
• Vehicle Infrastructure Integration (VII)–New road weather observations
•Fill gaps in data•Different data from fixed sensors
–Tailored information into vehicle
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Previous World
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Future World: Vehicle Infrastructure Integration
• A nationwide communication PLATFORM between vehicles and roadside beacons
• A PARTNERSHIP between DOT, automobile manufacturers, and state and local government
• APPLICATIONS (including weather) that will transformationally improve safety and mobility
On-Board Equipment
Public user
Private user
Roadside Equipment
Network
On-Board Equipment
Local applications
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VII Weather Example
Improved identification of precipitationand precipitation type
Today: Precipitation type is determined by airport observations (red circles) - few and far between!
VII enabled: Data (air temperature, and data from maintenance vehicles) available directly from vehicles
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Fundamental Research Needed
999J Ambient Temperature and Speed Profile Along Dulles Toll Road on July 18, 2006
80
85
90
95
100
105
-65 -55 -45 -35 -25 -15 -5 5 15 25 35 45 55 65Road Segments
0.0
20.0
40.0
60.0
80.0
100.0Segment-Average TemperatureSegment-Average Speed
8:19AM DTR WB start
Westbound Eastbound
Ave
rag
e S
egm
en
t T
em
pe
ratu
re (
Fa
ren
hei
t)
Ave
rag
e S
egm
en
t S
pe
ed (
mp
h)
8:30 AM exitDTR WB
9:06 AMDTR EB
end
8:35 AM enterDTR EB
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MDSS: The Bridge Between Communities
Winter RoadMaintenanceCommunity
MeteorologicalCommunity
•Strengthening Communication•Integrating Science & Best Practices•Improving Mobility & Safety
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Partnerships
• Traditional partnerships– Transportation to transportation– Weather to weather
• New partnerships–Weather to Transportation–Private sector partners
•Weather community•Transportation community
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Road Weather Research Needs
• Road weather information– Clarus
– VII
• Decision Support Systems• Weather & Transportation Partnerships
– Public
– Private
ITS: Capturing Transportation’s Imagination through Technology