Regional Transportation Management Center Shared Operations Center – Mn/DOT Traffic Operations –...

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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

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X

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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