I-25 Express LanesSeptember 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 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

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

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

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

Segment 3

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

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

offsets the cost of operations and maintenance• Provides reliable connection from Downtown to

development growth around SH 7

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

HOV Connection

HOV Connection – AM SB Commute

HOV Connection – AM SB Commute

HOV Connection – PM SB Commute

HOV Connection – PM SB Commute

HOV Connection – PM SB Commute

HOV Connection – PM SB Commute

Active Traffic Management (ATM)

• Benefits:• Improve Safety• Improve Trip Reliability• Reduce Congestion• Enhance Incident Management

• Strategies:• Dynamic Lane Assignments• Queue Warning• Variable Speed Limits

Dynamic Lane Assignments

Queue Warning / Variable Speed Limits

Electronic Toll Collection (ETC)

Segmental Tolling

Go Live Coordination

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

Intelligent Transportation System (ITS)

I-270 Ramp Revised Signing and Striping• Striping Condition on Opening Day

I-270 Ramp Revised Signing and Striping• Striping Condition after changes

I-270 Ramp Revised Signing and Striping

I-270 Ramp Revised Signing and Striping

I-270 Ramp Revised Signing and Striping

I-270 Ramp Revised Signing and Striping

I-270 Ramp Revised Signing and Striping

I-270 Ramp Revised Signing and Striping

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

Questions?