Managed Lanes in Minnesota
description
Transcript of Managed Lanes in Minnesota
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
âX
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.
R i v e r s i d e A v e2 5 t h A v e½ M i l e
E x i t 2 3 5 A
R i v e r s i d e - 2 5 t h A v eC e d a r A v e
5 t h S t
Exit â Only
Defa
ult
PM P
eak
West Side Projects – Managed Auxiliary Lane Signingâ â â â