A Brass In, Brass Out board tells how many people are in the tunnel, should there be a safety issue. As crew members arrive to the tunnel, they move their assigned “Brass” from the “Out” position, to the “In” position.  This helps the site safety team know how many people are in the tunnel at any given time and allows for the team to monitor for crew limits based on space.  

Jay Dee’s “Brass” Board indicating crew inside/outside the tunnel

Eliza (the tunnel boring machine) remains hard at work underground, heading north towards 12 Mile Road. Eliza has now traveled over 2,700-feet north from the I-696 Shaft Site (northeast corner of the I-75/I-696 interchange), placing her near Cowan Avenue and the northbound service drive intersection.   So far, 549 “rings” of 5-foot long precast concrete tunnel linings have been installed.  There have been 3,294 individual precast concrete segments installed.  You can see them all bolted together in the picture below.  For more information on Eliza and the drainage tunnel please visit our Project Highlights page   http://modernize75.com/Project-Highlights-Tunnel.    

View from inside the Tunnel, shows the precast segments installed, as well as the temporary rail line and construction utilities.

Crews will continue work on the exit and entrance ramps at 11 Mile Road and 12 Mile Road to and from southbound I-75 through Mid-May.

Weather permitting, the following will be closed intermittently:

• 12 Mile Road eastbound and westbound entrance and exit ramps to I-75 southbound.
• 11 Mile Road entrance and exit ramps to southbound I-75 will be closed, as well as closing access from 6^thStreet to the southbound service drive. 
• Southbound I-75 from 11 Mile Road to I-696 will have a single lane closure

    Closure of 11 Mile Road and 12 Mile Road ramps will not be simultaneous; leaving one ramp open when the other is closed. 

Crews will reopen ramps as they complete work.  Thank you for your continued patience.

Thank you for your patience, crews have made the necessary repairs to reopen the ramp from northbound I-75 to 9 Mile Road.  Additionally, the northbound service drive has one lane open from Meyers to 9 Mile Road.

Attention motorists: Due to a crash the exit ramp from I-75 Northbound to 9 Mile Road will be closed through Friday, April 30^th.  Thank you for your patience as we make the necessary repairs to reopen the ramp.

Crews have been busy rebuilding the Shevlin Avenue Bridge. After the bridge was demolished at the end of February, crews have been working on the base and foundation so the new beams could be set.  Check out the time lapse video from April 9th-14th for a peak into the process of beam setting.  The beams over northbound I-75 were set while the freeway was closed earlier this month, while the beams over southbound were able to be set while the freeway was open since all traffic is maintained on the northbound side of the freeway.

Nightly lane closures begin Monday, April 26 through Friday, April 30 beginning at 10 p.m. and ending by 5 a.m. Southbound I-75 will have two lanes closed from 13 Mile Road to I-696, and crews will also close the southbound I-75 ramps at 12 Mile Road and 11 Mile Road during paving operations.    

Closing of the southbound ramps at 11 Mile and 12 Mile Roads will continue through the end of April.  Weather permitting, the following will be closed: 

• 12 Mile Road eastbound and westbound ramps to I-75 southbound.  
• 11 Mile Road entrance and exit ramps at southbound I-75 - access from 6th Street to the southbound service drive will also be closed.  

In our latest video, take a look at what work crews are doing along the southbound freeway lanes and service drive!  In addition to crews rebuilding the Highland Avenue pedestrian bridge and preparing the Browning Avenue pedestrian bridge for demolition, you can see the progress being made at the Shevlin Avenue bridge as crews are working on the footings so they can begin to set beams on that structure.