11

Dixie ITS Architecture StudyDixie ITS Architecture Study

Section ?Section ?

Utah ITS HistoryUtah ITS History

22

History OverviewHistory Overview• Regional Traffic Management Study – Salt Lake Area –

1994• TOC Architectural Program Study – 1996• Salt Lake Area I-15 ATMS Requirements – 1996• Early Deployment Planning Study – 1996• I-15 Reconstruction – 1997-2001• UDOT ITS Division Formed – 1999• UDOT TOC Opened – April 1999• WFRC Regional Architecture – 2000• 2002 Winter Olympics – Feb 2002• Cache Valley ITS Regional Architecture - 2004• Continued Expansion – 2002 to Present

33

Utah DOT - TOC ModelUtah DOT - TOC ModelSetting• 2.4 million Population• Approx. 80% Live in Wasatch

Front• UDOT TOC in Salt Lake City• State Divided in 4 Regions• Utah Host of the 2002 Winter

Olympics – 1.5 million Visitors, 12,000 Media

• I-15 Reconstruction Design/Build Project (1st large D/B Highway Proj), $1.6 Billion

Salt Lake City

St. George

R1 - Ogden TCC

R2- Orem TCC

UDOT Statewide TOC

R4- Richfield TCC

Wasatch Front

44

Utah TOC – Centralized / DistributedUtah TOC – Centralized / Distributed• Statewide TOC – UDOT TOC 24/7

Ops, Leads policy & ITS implementation, Central communications

• Multi-Agency – share space– UDOT Traffic Mngmt Div.,– Region 2 Traffic Engineers,– NW WeatherNet Forecasters– Dept. of Public Safety Dispatch– Clearchannel Radio, Ch 4 TV

• Regional TCC’s - Located in Ogden, Orem & Richfield

• Connections to Emergency Dispatch, City & County TCC’s with shared control

UDOT TOC

Reg. 3

TCC

Reg. 1

TCC

Reg. 4

TCC

DPS Dispatch

Utah Transit

Authority

Emerg.

Dispatch

Centers

Univ. of Utah Lab

SLC City & County

TCC’s

55

UDOT - Primary FunctionsUDOT - Primary Functions

• Freeway Management – ramp meters, VMS, HAR, speed detection, CCTV, travel times

• Arterial Management – Signal Timing for incidents, Action Sets for Events

• Incident Management – 13 Incident Management Trucks

Weather Forecasters

66

UDOT - TOC Primary FunctionsUDOT - TOC Primary Functions

• Winter Ops Support – Winter & construction forecasts

• Traveler Info – VMS, 511, Website, e-mail alerts

• Construction Support – VMS scheduler, forecasts, HAR messages, Web CCTV’s, Project Tracking on Web

77

Utah D/B Projects with ITSUtah D/B Projects with ITS

• I-15 Reconstruction D/B: $ 60 million in ATMS

• UDOT Traffic Operation Center: $ 7.8 million

• I-80 East ITS Expansion: $ 1.6 Million ATMS *

• Legacy Parkway (1st Ph): $ 1.2 Million in ATMS

• 123rd South: $ 1.2 Million in ATMS

• State Route 201: $ 1.34 million in ATMS

* ATMS only D/B

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I-15 Reconstruct Design/BuildI-15 Reconstruct Design/BuildATMS ComponentATMS Component

• 17 miles On-Corridor• 250 miles Off-Corridor Freeway & Local Surface

Streets (fiber-optic & Traffic Signal Interconnect)• 5 RWIS Stations• 150 Cameras• 61 VMS• 5 WIM• 16 Ramps Metered• 130 Traffic Monitoring Stations• 550 Traffic Signals Inter-Connected

99

Communication SystemCommunication System

• UDOT Fiber (650 Miles) Communications – Ogden to Salt Lake– Salt Lake to Provo– Connections Amer.

Fork, UTA, Spanish Fork, Provo, Orem

– UTOPIA Agreement to St. George, Logan

1010

Freeway ManagementFreeway Management

• Freeway Surveillance - 343 CCTV cameras

• 74 Variable Message Signs

• 25 Ramp-Meters

• 240 Traffic Monitoring Stations

1111

Traveler InformationTraveler Information• Variable Message Signs

– Multiple sign messages at once Amber Alert < 2 min vs. 15 min

– Sign Scheduler– Construction support messaging

• 511 Phone System• Amber Alerts• General Traffic and Road Conditions• Route specific traffic and Road

Conditions

• CommuterLink Map

• Media

1212

Arterial ManagementArterial Management

• Salt Lake City / Salt Lake County (600+ Traffic Signals)

• Ogden (130 Traffic Signals)

• St. George ( 40 + Signals)

• Logan, Spanish Fork, American Fork

• Projects in Provo, Richfield, Moab, Cedar City, Vernal

1313

Winter Operations SupportWinter Operations Support

• Weather Station Network

• Contract Forecasting– Statewide Winter and

Construction forecasts

• Call-in Weather Reports

1414

Established Standards Established Standards (Specs & Drawings) (Specs & Drawings)

• I-15 D/B set basis for Standards• Specs & Drawings recently updated (input from

industry, consultants, maintenance)• Specs for Testing (wire, fiber, device, calibration, etc.)• Drawings for:

– Legends, Abbrev, and Line Style Standards– Conduit Installation (Trenching & Boring)– CCTV installation, schematics, foundation details– Polymer Concrete Jct Boxes– RWIS Site Installation– Ramp Meter Sign, Layout and Assembly Instructions– Detection Zone Layouts

1515

Future ITS ExpansionFuture ITS Expansion

• Completing ITS Strategic Plan• Expand ITS in Rural Areas

– VMS– CCTV (low bandwidth video– Interconnects with Emergency Dispatch & City

Traffic Control Centers (TCC’s)– (RWIS, HAR, Traffic Monitoring Stations)– Communications– Updated Traveler Information Website