regional transportation management center shared operations center – mn/dot traffic operations –...
TRANSCRIPT
Managed Lanes in Minnesota
Regional Transportation Management Center
• Shared Operations Center– Mn/DOT Traffic Operations– Mn/DOT Maintenance Dispatch– State Patrol Dispatch
• 400 miles of freeway
management system
• Backbone for Managed Lanes system
Dynamic Pricing Overview
• Adjust the toll rate dynamically to encourage or discourage users
• Maintain free flowing traffic in MnPASS lane (speeds greater than 50 MPH) at all times
• Rates determined based on:– Number of vehicles in lane– Speed of the vehicles– Rate of change of traffic conditions
Priced Dynamic Shoulder Lane (PDSL): Segment 3: 3 miles
• Priced Dynamic Shoulder Lane North of 42nd St on NB 35W
• Maintains existing 4 lanes with an added PDSL Lane
• Effectively extends the MnPASS lane to downtown Minneapolis using existing road space
Innovative Use of Technology and Infrastructure
Managed LanesAnd Priced Dynamic Shoulder Lane (PDSL)
I-35W HOT Lane Signing
I-35W MnPASS: Active Traffic Management PDSL Open
I-35W MnPASS: Active Traffic Management PDSL Closed
I-35W MnPASS: In Pavement Lighting PDSL Closed
I-35W MnPASS: In Pavement Lighting PDSL Open
I-35W MnPASS: Active Traffic Management
• ILCS located every ½ mile over every lane.
• A total of about 174 ILCS will be installed by the end of 2010.
• ILCS are a 4ft x 5ft full color matrix signs.
• Use of the ILCS is primarily for incident management and speed harmonization.
• Designates when the priced dynamic shoulder lane is open or closed along with additional signing.
I-35W Intelligent Lane Control Signals
ILCS Sign Options
Blank – default
Green – Lane Open
Flashing Yellow – Caution
Red X – Closed
â
X
â
X1 MILE
Yellow X – Closed Ahead
Merge
Speed Limit
White Diamond
40MPH
>>>
◊
Variable Speed Limits
Variable Speed Limits• Advisory Only• Detection
measures traffic speeds downstream
• Speeds are posted up to 1 ½ miles upstream
Innovative Design
Rain GaugesDetect rain fall rates to adjust mainline advisory speeds to reduce hydroplane hazards
Median Transit station
Upcoming Projects• I-94 between downtown St Paul and
Minneapolis– This project is letting the end of Feb 2011
• I-35E north of downtown St Paul– This project is in design and ATM is being
considered.
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West Side Projects – Managed Auxiliary Lane Signingâ â â â