I-25 Express Lanes September 30, 2016 Who we are: CDOT Region 1 - - PowerPoint PPT Presentation

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I-25 Express Lanes September 30, 2016 Who we are: CDOT Region 1 - - PowerPoint PPT Presentation

Jun 18, 2023 29 likes •385 views

I-25 Express Lanes September 30, 2016 Who we are: CDOT Region 1 Region 1 North Program Primarily Adams County and Broomfield County Major corridors I-25 I-76 I-270 US 85 SH 7 Current I-25 Express Lane Projects I-25

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SLIDE 1

I-25 Express Lanes

September 30, 2016

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SLIDE 2

Who we are: CDOT Region 1

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SLIDE 3

Region 1 North Program

  • Primarily Adams County and Broomfield County
  • Major corridors
  • I-25
  • I-76
  • I-270
  • US 85
  • SH 7
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SLIDE 4

Current I-25 Express Lane Projects

  • I-25 Segment 2
  • US 36 to 120th Avenue
  • Northglenn, Thornton, Adams County
  • I-25 Segment 3
  • 120th Avenue to Northwest Parkway/E470
  • Northglenn, Broomfield, Thornton, Westminster, Adams County
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SLIDE 5

Segment 2

  • Project Details:
  • US 36 to 120th Ave
  • $66M Construction Budget
  • Converted inside shoulder to Toll Express Lane in

each direction

  • Built new concrete soundwalls and replaced

existing wooden fences

  • Lighting and ITS devices installed
  • Lowered I-25 grade at 88th Ave
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SLIDE 6

Segment 2

  • Key Dates:
  • Construction began October 2013
  • Toll Express lane opened March 2016
  • Toll Commencement in July 2016
  • Soundwall Completion September 2016
  • Active Traffic Management System Fall 2016
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SLIDE 7

Segment 3

  • Project Details:
  • 120th Avenue to Northwest Parkway/E470
  • $78M Construction Budget
  • Widen I-25 to accommodate a Toll Express Lane in

each direction

  • Install new concrete soundwalls and replace

existing wooden sound fences

  • Install ITS devices
  • Replace I-25 bridge over Bull Canal with enclosed

Concrete Box Culvert

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SLIDE 8

Segment 3

  • Key Dates:
  • Construction Began July 2016
  • Bull Canal Replacement Winter 2016
  • Anticipated completion Fall 2018
  • Toll Commencement Spring 2019
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SLIDE 9

I-25 Express Lanes

  • Purpose/Benefits:
  • Improves mobility for all travelers
  • Provides travel time savings
  • Give travelers viable transportation choices
  • Improve mobility for freight carriers, businesses,

and emerging energy industries

  • Provides additional capacity while minimizing long-

term operating and maintenance costs

  • Generates a new reliable revenue stream that
  • ffsets the cost of operations and maintenance
  • Provides reliable connection from Downtown to

development growth around SH 7

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SLIDE 10

I-25 Express Lanes

  • Operational Innovations:
  • HOV Connection
  • Active Traffic Management (ATM)
  • Electronic Tolling Collection (ETC)
  • Intelligent Transportation System (ITS)
  • I-270 Ramp Revised Signing and Striping
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SLIDE 11

HOV Connection

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SLIDE 12

HOV Connection – AM SB Commute

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SLIDE 13

HOV Connection – AM SB Commute

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HOV Connection – PM SB Commute

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SLIDE 15

HOV Connection – PM SB Commute

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SLIDE 16

HOV Connection – PM SB Commute

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SLIDE 17

HOV Connection – PM SB Commute

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Active Traffic Management (ATM)

  • Benefits:
  • Improve Safety
  • Improve Trip Reliability
  • Reduce Congestion
  • Enhance Incident Management
  • Strategies:
  • Dynamic Lane Assignments
  • Queue Warning
  • Variable Speed Limits
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SLIDE 19

Dynamic Lane Assignments

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SLIDE 20

Queue Warning / Variable Speed Limits

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Electronic Toll Collection (ETC)

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Segmental Tolling

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SLIDE 23

Go Live Coordination

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Intelligent Transportation System (ITS)

  • Closed Circuit Television Cameras (CCTV)
  • Variable Message Signs (VMS)
  • Variable Toll Message Signs (VTMS)
  • Ramp Meter Stations (RMS)
  • Travel Time Indicators (TTI)
  • Microwave Vehicle Radar Detectors (MVRD)
  • Reversible HOV Signs and Gates
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SLIDE 25

Intelligent Transportation System (ITS)

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SLIDE 26

I-270 Ramp Revised Signing and Striping

  • Striping Condition on Opening Day
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SLIDE 27

I-270 Ramp Revised Signing and Striping

  • Striping Condition after changes
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SLIDE 28

I-270 Ramp Revised Signing and Striping

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SLIDE 29

I-270 Ramp Revised Signing and Striping

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SLIDE 30

I-270 Ramp Revised Signing and Striping

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SLIDE 31

I-270 Ramp Revised Signing and Striping

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SLIDE 32

I-270 Ramp Revised Signing and Striping

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SLIDE 33

I-270 Ramp Revised Signing and Striping

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How’s it working?

  • Reliable travel time in Express Lane at all times
  • Reduced travel time in General Purpose Lanes
  • Reduced duration of peak congestion
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SLIDE 35

Questions?