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Color Logo Charter Township of Ypsilanti A Community of Opportunity

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Logo MDOTThe currently active US-23 construction zone will be transformed into a technologically advanced active traffic management system. This new system will be Michigan's first Flex Route, geared to help eliminate traffic congestion during peak afternoon and evening travel periods.

 

The Flex Route will include a network of computerized overhead signs, cameras, and electronic message boards attached to overhead gantries that will constantly monitor traffic conditions. However, as with most new technology, an initial learning curve will be necessary before motorists fully grasp how the advance warning system will manage peak rush hour congestion, and promote safer travel.

 

Once it's fully operational, the new smart road technology system will be available along US-23 between M-14 and M-36 (9 Mile Road). As motorists approach either the northbound or southbound perimeter of the Flex Route, they will see large gantries with overhead signs that appear to frame the highway. Posted above each lane will be a lane control sign displaying key information, which will be determined by the current traffic conditions. For example, a green arrow would indicate an open lane, whereas a red X would indicate a closed lane.

 

"Except for special events or when highway conditions require incident management, the green arrow or red X will usually be posted over the shoulder (flex) lane, rather than over the regular travel lanes," explained Mark Sweeney, P.E., MDOT's Brighton Transportation Service Center (TSC) manager. "The signs over the regular travel lanes will typically be blank or they might post the recommended speed limit, based on the current travel conditions."

 

Motorists driving the Flex Route need to be observant of the critical information provided:

A Green Arrow will be displayed above an open lane. During morning and afternoon peak travel periods, shoulder lanes will be open to improve the flow of traffic.

A Red X will be displayed above a closed lane. For example, if a lane is closed due to a traffic incident or construction ahead, a red X posted above that lane warns motorists so they can avoid the blockage. However, if traffic is not congested, a red X will appear above the lane to advise motorists that it is not currently available.

The Recommended Speed will be posted above each open lane. If traffic slows, the recommended speed limit will be posted above the open lanes to alert motorists regarding a change in conditions ahead, thus decreasing the potential for crashes.

A Yellow Merge Sign will direct motorists to merge or move over to avoid an incident or a blocked lane ahead, which also will decrease the potential for crashes.

 

Because the median shoulders will be used as temporary lanes, it is critical that drivers both understand and follow the rules involved in safely driving a Flex Route. Motorists can familiarize themselves regarding how a Flex Route works by viewing this short video.

 

 

Of course, it's possible that some drivers still might not feel as comfortable as others when initially driving the new Flex Route. In that case, MDOT recommends that those motorists try handling the Flex Route in the same way drivers should handle most any traffic situation; slow down and stay to the right.

 

Construction of the Flex Route system will be completed by the end of 2017. In the meantime, MDOT encourages motorists to slow down in work zones to help keep both workers and motorists safe.

 

If you have any questions concerning the Flex Route, contact the Brighton TSC at (810) 227 - 4681. For more information about related traffic detours, lane closures and lane shifts, go to flexroute23.com or connect with MDOT through social media at facebook.com/michigandot and twitter.com/mdot_a2, search using #flexroute.

 

Construction Activities - Mi Drive Interactive Map

 

September 2017 Update

Flex Route upcoming work in Washtenaw County:

US-23

M-14 to North Territorial Road: Traffic has been shifted onto the flex lane and middle lane for most of this section. Concrete patching of the existing right lane continues. The median barrier wall and interchange lighting, starting at the westerly M-14/US-23 split to just south of Joy Road, is nearly complete.

North Territorial Road to Barker Road: Construction continues within the median nightly for the proposed Flex Route lane. Traffic has been shifted onto the Flex Route and middle lanes for most of this section. Construction continues on the existing right lane. Ramp acceleration and deceleration extensions are complete except for the 6 Mile Road southbound and northbound on ramps.

Barker Road to 8 Mile Road: This section of the project is now in Stage 2, which includes full reconstruction of the northbound roadway. Four lanes of traffic are being maintained on the newly constructed southbound side of US-23. Northbound traffic is shifted to the southbound roadway using temporary crossovers placed south of Barker Road and north of 8 Mile Road. To date, the overpass for the Great Lakes Central Railroad has been removed and construction of a new bridge is in process. The Barker Road bridge deck hydro demolition and overlay is complete, the box culvert work is underway, and a considerable portion of the roadway embankment has been placed. The contractor anticipates shifting the two northbound lanes back onto northbound US-23 in mid-October.

 

Interchanges

North Territorial Road: The interchange, proposed ramps, and both roundabouts are open. 5 Mile Road is anticipated to open by the end of September.

6 Mile Road: Bridge reconstruction and asphalt approach work are complete and the roadway is open to traffic. The southbound on ramp is currently closed for reconstruction through mid-November.

8 Mile Road: Asphalt paving of the roundabout is complete. All ramps except for the northbound off ramp are open. The northbound off ramp is closed for reconstruction in conjunction with the northbound US-23 reconstruction. The ramp will remain closed through mid-November. The northbound on ramp is tentatively scheduled to close on Sept. 23. The ramp closure is needed to complete the reconstruction of the acceleration lane. Concrete surface coating of the bridge is underway.

 

Warren and Joy Road Structures

Repairs on the Joy Road bridge are nearly complete except for concrete surface coating. Additional work to replace a damaged beam on this structure is scheduled to begin in mid-October. A temporary traffic signal will maintain traffic in both directions while this work is taking place.

Repairs on the Warren Road Bridge are nearly complete except for concrete surface coating. A temporary traffic signal maintains traffic in both directions while this work is taking place.

 

Frequently Asked Questions (FAQ)

Why would a different speed limit be recommended for the Flex Route when there's already one posted for US-23?

A lower recommended speed limit would be posted, for example, if motorists were approaching a traffic incident or other circumstances where slower speeds would promote safer travel, such as inclement weather and slippery roads.

What if a driver is not sure how to drive the new Flex Route?

Drivers need to familiarize themselves as to how a Flex Route works; they can start by viewing this brief video. If a driver is uncomfortable driving the Flex Route, MDOT recommends they handle it the same way that drivers should handle most any traffic situation; slow down and stay to the right.

View the Flex Route 23 Brochure

 

Flex Route Concept Finds Success in Washington

The Washington State Department of Transportation (WSDOT) recently opened a peak-use shoulder lane, which is similar to MDOT's Flex Route now under construction. The new peak-use (flex) shoulder lane is located along a 1.8-mile stretch of I-405, between State Route (SR) 527 and I-5. It was added to address weekday bottlenecks occurring during the afternoon commute, much like US-23 experiences.

Based on a May 3rd article, "WSDOT Caught Off Guard by Success of I-405 Shoulder Driving," by Chris Sullivan, a local radio reporter, the new traffic management system made a believer out of him. He reported that, much to his surprise, travel times were reduced the first week from about 40 minutes to about 20 minutes, on average. And he said it wasn't just WSDOT saying so, based on the initial blogger feedback. One blogger wrote, "Has the drive ever been 55 mph at 5 p.m. in Bothell? Noooooo. This is amazing."

Kim Henry, who is in charge of the I-405/SR 167 improvement program, also was surprised by its success. "We were expecting to see much better performance, but this is really exceeding our expectations so far," he said.

And this is exactly what we're anticipating that Michigan's first Flex Route will do for the morning and afternoon peak drive time congestion encountered along US-23 north of Ann Arbor, from M-14 to M-36.

2017-10-06
update - flexroute23.com

Charter Township of Ypsilanti  •  7200 S. Huron River Dr. Ypsilanti, Mi 48197  •  (734) 484 - 4700

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