Michigan Highways

What's New?

As the Michigan state trunkline system is constantly evolving and new (or "new" historical) information is discovered or passed along, new and updated information is added to this site regularly. Below you will find a list of many of those changes, with the newest changes listed first.
 

May 5, 2008 - New! Made several minor updates to the M-21 route listing.
April 9, 2008 - Made some minor changes to the County Highways page, added some information to several listings on the County Highways A-2 - C-81 page, and some minor modifications to the county route marker descriptions on the Route Markers page.
January 1, 2008 - Happy New Year! Made a few sitewide changes for the New Year, including updating the copyright in the footer at the bottom of every page.
December 17, 2007 - Verified all of the links on the Related Links page. Corrected broken or misdirected links as necessary.
December 15, 2007 - Updated the M-121 route listing to change it's status from "former" to "current" with the redesignation of OLD M-21 between Zeeland and Grandville as M-121. Also updated references to the new M-121 on the M-21 route listing, the US-31: Ottawa County page and the Master List section. Removed OLD M-21 (Ottawa) from the Unsigned Trunklines page.
November 3, 2007 - Updated the route listings for M-38 and M-64 to reflect the jurisdictional transfer of former trunkline segments related to the new Ontonagon River Bridge. Removed OLD M-38 and OLD M-64 from the Unsigned Trunklines page.
November 2, 2007 - Updated the BS I-96 (Portland), I-96 and Master List 1918-Present pages to reflect the decommissioning and jurisdictional transfer of Portland's BS I-96 to local control.
July 8, 2007 - Updated the BUS US-31 (Muskegon) route listing in response to the jurisdictional transfer in downtown Muskegon as well as the M-46 route listing because of the changes to its western terminus. Also updated the M-42 route listing with more changes resulting from its truncation to Manton in June.
June 15, 2007 - Added the M-37 Scenic Heritage Route to the Heritage Routes page and also updated the M-37 route listing.
June 14, 2007 - Updated the information in the M-42 route listing regarding the jurisdictional transfer of the Manton-to-Mesick segment. Also added a new OLD M-42 listing to the unsigned trunklines page.
May 28, 2007 - Added additional information to the M-42 route listing about the pending jurisdictional transfer of the Manton-to-Mesick segment. Also updated the BUS US-131 (Grand Rapids) listing and made a minor correction to the OLD US-131 BR listing on the unsigned trunklines page.
May 27, 2007 - Updated the M-42 route listing to reflect the pending jurisdictional transfer of the part of that route from Manton westerly to Mesick.
March 15, 2007 - Updated the Unsigned Trunklines page to include the new OLD M-38 and OLD M-64 listings. Also augmented the County-Designated (Intercounty) Highways page with several photographs.
February 26, 2007 - Updated the OLD I-69 (OLD M-78) route listing to reflect its truncation to Perry.
February 6, 2007 - Corrected a slight error in the Unsigned Connectors section of the Unsigned Trunklines page. (Thanks, Tim!) Also added new information to the OLD I-69 (OLD M-78) unsigned trunkline route listing.
January 8, 2007 - Added two links to an article in Michigan History magazine about the dedication of the Gerald R Ford Freeway to the I-196 route listing.
January 2, 2007 - Happy New Year! Made a few sitewide changes for the New Year, including updating the copyright in the footer at the bottom of every page.
December 21, 2006 - Updated the US-23 and BUS US-23 (Fenton) route listings as well as the Master List to reflect the decommissioning of BUS US-23 at Fenton.
December 14, 2006 - Updated the information related to the 2004 Holland business route jurisdictional transfer on the following pages: Holland Business Routes: The Turnback and BL I-196 (Holland-Zeeland). Also updated the route listings for M-38, US-45 and M-64 to reflect the opening of the new Ontonagon River Bridge as well as updating the Ontonagon State Trunkline Changes 2006 map.
November 25, 2006 - Updated the US-31 route listing, US-31 in Ottawa County article and Master List 1918-Present page with information on the proposed M-231, as well as created a new Future M-231 route listing.
November 2, 2006 - Updated the M-36 route listing and the Historic US-27 (Page 2) listing with new historical information.
October 22, 2006 - Made a few minor modifications to the Michigan Left page, corrected an incorrect link to the County Highways D-19—H-15 listings page on most of the other route listings pages, and completely overhauled the design of the Heritage Routes page. Also migrated the remaining route listing pages to the "new" page format introduced in October 2005, verifying all external links and correcting invalid ones:
October 9, 2006 - Migrated the following pages to the "new" page format introduced in October 2005, verifying all external links and correcting invalid ones:
October 8, 2006 - Created new route marker graphics for the three-digit US Highways (US-127, US-131, US-141 and US-223) and migrated the following pages to the "new" page format introduced in October 2005, verifying all external links and correcting invalid ones:
October 7, 2006 - Migrated the Highway Listings 80-89 and Highway Listings 90-99 pages to the "new" page format introduced in October 2005. In the process, various external links were verified and corrected, if necessary.
October 6, 2006 - Even more updates today:
October 5, 2006 - Several more updates today:
October 4, 2006 - Several updates today:
  • Updated the Heritage Routes page, adding new links, fixing broken ones and calculating mileages.
  • Added information to the US-41 route listing regarding the Scenic Heritage Route and National Scenic Byway designations.
  • Migrated the Highway Listings 30-39 page to the "new" page format introduced in October 2005. In the process, various external links were verified and corrected, if necessary.
September 25, 2006 - Minor update to the History section of the M-116 route listing.
September 24, 2006 - Major addition to the site: a comprehensive article "The History of Roads in Michigan" by Dorothy Pohl & Norman Brown. Minor update to the Historical Overview page and added a new Photos page.
September 17, 2006 - Added the M-26 at South Range photo pages with 22 pictures of the existing route of M-26 being superceeded by a new alignment in 2006.
September 12, 2006 - Added the US-2 Is NOT A Freeway photo page with three pictures of new signs along US-2 WEST in St Ignace.
August 23, 2006 - Updated two links, one each in the M-10 and US-12 route listings. Also added new information to the M-53 route listing.
August 5, 2006 - Heavily-updated the H-58 route listing with new information. Updated the BUS US-23 (Fenton) listing as well. Also migrated the Highways 10-19 and Highways 20-29 pages to the new design style.
July 31, 2006 - Added an historic photograph to the Historical Overview page.
July 17, 2006 - Added the designation as the Purple Heart Trail to the I-69 route listing.
April 14, 2006 - Updated Michigan Official Maps: Christopher Bessert Collection.
March 28, 2006 - Updated the M-26 route listing with new infomation regarding a realignment project at South Range. Also uploaded a new overview map of the project to the Maps page.
March 25, 2006 - Updated a link on the Related Links page.
March 14, 2006 - Updated the listing for OLD M-65 on the Unsigned Trunklines page to reflect its transfer to local control on March 9.
February 27, 2006 - Added Michigan Official Maps: Christopher Bessert Collection.
February 23, 2006 - Updated the M-44 route listing with a new historical tidbit. (Thanks Dan M!)
January 12, 2006 - Updated the US-41 route listing to reflect the completion of the Interstate Bridge project linking Menominee and Marinette, Wisc. Also made a few other corrections/updates to the US-41 and M-40 route listings.
January 7, 2006 - Overhauled the Forest Highways page, converting it to the "new" Michgigan Highways website style from October 2005. Also converted the Highways 1-9 route listings page to the new style as well.
January 2, 2006 - Happy New Year! Made a few sitewide changes for the New Year, including updating the copyright in the footer at the bottom of every page.
December 30, 2005 - Updated the link to Eric Buchanan's Michigan Highways Photos website on the Related Links page.
December 9, 2005 - Several changes/updated/additions today:
November 27, 2005 - Completely overhauled and extensively revised the Unsigned Trunklines & Connectors page. Also corrected links in the M-1 route listing.
November 21, 2005 - Made several changes and updates to the M-154 route listing.
November 19, 2005 - Completely overhauled and updated the history section for the M-99 route listing as well as making several updates to the M-106 route listing.
November 17, 2005 - Updated the M-168 listing to reflect its impending transfer to the Village of Elberta in 2010. Also updated the homepage and added a link and graphic for the MSP Winter Road Conditions website.
November 10, 2005 - Added a brand-new map of Downtown Detroit Trunklines to the Maps section as well as linked from the M-1, M-3, M-10, US-12, M-85, I-375 and BS I-375 listings.
November 9, 2005 - Added new entries to the history sections of the M-43 and US-131 route listings. Also added a one new link and updated the URL on another on the Links page; made a minor update to the M-185 route listing; corrected/updated information on the BUS US-131 (Manton) listing.
October 30, 2005 - Uploaded Michigan State Trunkline Record Holders (PDF) and added a link to it on the Michigan's State Trunkline System page.
October 29, 2005 - Added a map showing the County-Designated Highway Zone System to the County Highways page.
October 15-
October 26, 2005 - 		Updated the overall design of the entire website, including a new title graphic featuring the Mackinac Bridge, an updated set of navigation menus on the left side of most pages and some tweaks to the style sheets. Along with these changes, several pages were overhauled or updated, including:
October 14, 2005 - Made a few corrections to the M-99 listing and the M-174 description on the Master List: 1918-Present. (Thanks Richard!) Also uploaded a new design for the homepage.
October 11, 2005 - As a result of the several jurisdictional transfers in Marquette yesterday, the following route listings have been updated: M-553, M-554 and BUS US-41. Also updated with these changes is the Master List: 1918-Present.
October 4, 2005 - Added information about a proposed trunkline extension to the M-32 and C-48 listings.
September 17, 2005 - Added new or updated existing listings in the Master List 1918-Present page, including M-130 EXTENSION (new), M-170 (new), M-172 (new), M-173 (updated), and M-218 (updated). Also added some new historical information to the M-117 listing and added a new OLD US-127 listing to the Unsigned Trunklines page.
September 12, 2005 - Added a new link to Eric Buchanan's Michigan Highways Photos website and updated another link on the Related Links page. Also added a new photograph to Page 2 of the Michigan Left pages and additional text on the primary Michigan Left page.
August 23, 2005 - Added a link to Nathan Holth's Historic Bridges of Michigan and Elsewhere site to the Related Links page. Also made several minor corrections to the Master List: 1918-Present page.
August 21, 2005 - Completely overhauled the History section in the US-31 route listing, literally quadrupling the amount of information presented.
August 16, 2005 - Added two new articles to the In-Depth section (also linked from the US-31 listing): Also added a brand-new H-11 listing to the D-19 - H-15 page and also updated the H-13 and H-58 listings. (Thanks Robert!)
August 11, 2005 - Updated the History section of the M-1 listing with a jurisdictional transfer date. (Thanks Patrick!)
July 20, 2005 - Uploaded a brand-new page, M-26: Eagle River Timber Bridge (1991), to the In Depth section.
July 19, 2005 - Added links to Kevin Musser's "Three Spans over the Portage" article about the Houghton-Hancock Lift Bridge to the M-26 listing, US-41 listing and the Related Links page (Michigan's Bridges & Ferries section).
July 18, 2005 - Added some new/updated information to the history portion of the M-78 route listings.
July 16, 2005 - Made the following changes:
July 14, 2005 - Minor corrections made to the M-311 listing. (Thanks A.J.!)
July 3, 2005 - Revamped and revised Historic Auto Trails: Page 2, including adding representations of the auto trails markers and pole markings.
June 18, 2005 - Added a link to the Route Markers page leading to the Michigan's Changing Route Marker Styles page at Barry Camp's website.
June 12, 2005 - Completed the following:
June 11, 2005 - Fixed a few typos in the C-58 route listing. (Thanks, Robert!) Also made minor updates/corrections to the M-17 and BUS US-23 (Ann Arbor) listings. (Thanks, Eric!)
June 9, 2005 - Updated the US-12 listing to reflect the jurisdictional transfer of a portion of the route in Detroit on June 8th. Also completed revisions to the following listings or pages to reflect jurisdictional transfers in the City of Holland:
May 6, 2005 - Updated the M-37 listing to reflect the jurisdictional transfer of a portion of the route in Battle Creek two days prior.
May 4, 2005 - With the debut of a brand-new BUS US-31 route at Ludington, the following listings were revised: BUS US-31 (Ludington), US-31 listing, and OLD US-31 listing.
April 30, 2005 - Added information to the M-37 listing regarding a pending jurisdictional transfer in Battle Creek and also added a link to the M-37: Hastings-Battle Creek page to the same listing.
April 23, 2005 - • Added Michigan's Route Markers: The Clearview Future? to illustrate what the state's route markers may look like in the future;
• Added information about the Lodge Frwy's new exit numbers to the M-10 listing;
• Added information regarding the impending jurisdictional transfers impacting US-41, BUS US-41, M-553 and M-554 in the City of Marquette to those respective listings.
• Updated the Lake Michigan Circle Tour page and US-10 listing to reflect the removal/decommissioning of the LMCT Loop route through downtown Scottville.
April 17, 2005 - Fixed a few inconsistencies in the US-31 history listing. (Thanks Robert!)
March 23, 2005 - Added an updated length to the M-3 listing and fixed several other minor errors. (Thanks A.J.!)
March 20, 2005 - Updated the Unsigned Trunklines page to reflect the turnback of the rest of OLD M-21 in St Clair Co.
February 23, 2005 - Updated the I-69 route listing and the Recreational Heritage Route listing on the Heritage Routes page with new information regarding the addition of I-69 as such a route.
February 7, 2005 - Added a new link to the Links page.
January 23, 2005 - Minor changes to the Lake Michigan Circle Tour and Lake Superior Circle Tour pages.
January 18, 2005 - Minor changes to the Unsigned Trunklines and Master List pages.
January 17, 2005 - Added new information to the history section of the M-62 listing. Also added information about LeRoy Barnett's new book on the Memorial Highways page.
January 15, 2005 - Added new information to the history sections of the M-3, M-35 and M-97 listings.
December 11, 2004 - Minor updates to M-28, US-41, M-123 and M-203 route listings.
December 5, 2004 - Made changes/corrections to the M-59 and BUS US-23 (Fenton) listings; also made additions to the still-unfinished Unsigned Trunklines page.
December 4, 2004 - Finally added a page on the Michigan Polar-Equator Trail.
November 27, 2004 - Added a new page cataloguing the various types of Michigan Route Markers. Also updated each of the Great Lakes Circle Tours pages with new route marker graphics: Lake Erie, Lake Huron, Lake Michigan and Lake Superior.
November 17, 2004 - Updated the M-6/South Beltline listing to reflect the completion of that freeway as well as a three-page set of photographs from the ribbon-cutting ceremony.
November 11, 2004 - Added information to the US-41 listing regarding the Interstate Bridge replacement project; included additional historical information in the US-131 and M-119 listings.
November 7, 2004 - Uploaded new historical updates to the M-21 and M-51 route listings.
October 27, 2004 - Added a new item to the history section to the M-99 listing.
October 26, 2004 - Added clarifications regarding route termini to the US-24 and M-59 listings; updated the M-132 listing on the Master List: 1918-Present; updated nearly a dozen pages to change the "Connect to" links for routes entering Indiana to point to the Indiana Highway Ends site, including US-12, US-31, M-51, M-62, M-66, I-69, I-94, M-103, US-131, Former M-205 and M-239; updated the M-6 listing with some additional information.
October 24, 2004 - Added the complete listings pages for the remaining two county-designated highway pages: D-19 through H-15 and H-16 through H-63.
October 17, 2004 - Added the complete listings page for county-designated A-2 through C-81 as well as completed the Historical US-27 Overview page.
October 13, 2004 - Completed the move of the Michigan Highways Master List 1918-Present from the old website to the new one. The Master List was completely overhauled, improved and updated and now features links to all of the individual highway listings.
October 10, 2004 - Completed the Business 95-496 page, the last of the Business Connections pages! Also uploaded a page of Mackinac Straits Historical Photos. Also updated the M-65 listing.
September 25, 2004 - Made several minor modifications to the US-131 and BUS US-31 (Holland) listings.
August 30, 2004 - Completed the Business 32-94 page with the remaining route listings uploaded. Also verified, updated and corrected links in the various highway listings linking to Dan Garnell's Michigan Highway Ends website.
August 20-22, 2004 - Uploaded the first two-thirds of the listings on the Business 32-94 page (from BUS M-32 through BS I-75 Sault Ste Marie); updated the BUS M-28 and BUS US-31 Holland listings; added the Holland Business Routes: The Turnback page to the In-Depth section.
August 14, 2004 - Added a few additions to the US-31 listing; made typographical corrections to the US-10, M-22, M-66 and M-78 listings. (Thanks to John and Brian for the heads-up on those!)
July 28, 2004 - Uploaded new Michigan Left: Photos & Plans page to accompany the existing Michigan Left-Hand Turn page. Also added navigation and made slight revision to main Michigan Left page.
July 18, 2004 - Added a few clarifications and corrections to the US-131 history listing; added a new entry to the US-23 history listing; added information for the newly-designated US-12 Historic Heritage Route and US-23 Sunrise Side Coastal Highway in the US-12 and US-23 listings (respectively) and on the Heritage Routes page; also overhauled the Heritage Routes page with new graphics and information; made a few updates to the Historic US-16 Page 2 as well.
July 6, 2004 - Uploaded complete Business Connections 2-31 page as well as minor corrections to Highways 200-229 page and a new graphic for the Michigan Left-Hand Turn page.
June 26, 2004 - Minor correction to the M-59 listing on the Highways 50-59 page.
June 6, 2004 - The Highways 250-696 page is completed, which completes the listing pages for all mainline routes. Also made an addition to the I-96 listing.
May 24, 2004 - Updated the M-120 listing to more accurately reflect it being signed as an east-west highway in the field; added two new history listings to M-183 listing; uploaded the completed Highways 200-229 and Highways 230-249 pages.
May 21, 2004 - Uploaded the fully-completed Highways 180-199 page.
May 20, 2004 - Added two "historic" state trunkline planning maps from 1951 and 1968 to the Maps page.
May 13, 2004 - Uploaded fully completed Highways 140-159 and Highways 160-179 pages and the first two listings (M-183 and M-185) on the Highways 180-199 page, added additional history information to M-120 listing, fixed broken links on Michigan's Trunklines page.
May 6, 2004 - Debuted the Proposed M-37 Hastings-Battle Creek Expressway article in the In-Depth Section, including a Map of the proposed highway. Modified the M-37 and M-43 listings as well.
April 27, 2004 - Minor correction on Historical Overview page, added link to US-23 listing and the Links page, and fixed a broken link in the M-20 listing.
April 22, 2004 - Added an additional link to the Links page. Also make a slight update to the US-127 listing based on site contributor feedback.
April 10, 2004 - Completely overhauled the Links page, tripling it in size and making it easier to navigate... hopefully.
April 9, 2004 - Corrected a few items in the US-31 route listing on the Highways 30-39 page due to contributor feedback. Also made a minor correction on the About This Site page.
April 5, 2004 - Completed the remainder of the listings on the Highways 129-139 page.
April 3, 2004 - Added listings for M-120 through US-131/M-131 to the Highways 120-139 page.
April 1, 2004 - Updated the history section for M-116 to include some newfound information.
March 24, 2004 - Added the remainder of the route listings to the Highways 100-119 page as well as the beginnings of the Historic US-102 and Historic US-112 pages.
March 22, 2004 - Added all of the listings to the Highways 90-99 page and the listings for M-100 through M-107 on the Highways 100-119 page.
March 15, 2004 - Added all of the listings to the Highways 80-89 page.
March 14, 2004 - Added all of the listings to the Highways 70-79 page.
February 28, 2004 - Added the remaining listings to complete the Highways 60-69 page.
February 17, 2004 - Added listings for M-61, M-62 and M-63 to the Highways 60-69 page. Also added updates/corrections to the US-31 and US-33 listings.
February 8, 2004 - Added complete Highways 50-59 page.
January 18, 2004 - Added the remaining listings (M-46, M-47, M-48 and M-49) to the Highways 40-49 page.
January 18, 2004 - Added the M-43, M-44, US-45 and M-45 listings to the Highways 40-49 page.
January 14, 2004 - Added the US-41 and M-42 listings to the Highways 40-49 page.
January 7, 2004 - Added two new links to the Links page and updated several links to maps on the Maps page. Also added the first listing to the Highways 40-49 page.
December 26, 2003 - Completed the Highways 30-39 page and added the M-35: The Highway Henry Ford Stopped article to the In Depth section.
November 11, 2003 - Added the next three listings to the Highways 30-39 page and completed the Historic US-33 page.
November 9, 2003 - Added the first two listings to the Highways 30-39 page and a Map of the US-31 Freeway in Berrien County to the Maps page.
November 1, 2003 - Added the remaining route listings to the Highways 20-29 page as well as completed the Historic US-25 pages and much of the Historic US-27 pages.
October 22, 2003 - Completed the Zilwaukee Bridge section of the website, including the inclusion of the entire 1987 MDOT report The Zilwaukee Bridge: From the Beginning.
October 17, 2003 - Added two pages containing aerial imagery off the Zilwaukee Bridge main page. They are:
October 12, 2003 - Updated the listing for M-8 in Detroit to include the date of jurisdictional transfer of the route to the state.
October 5, 2003 - Added the first "Historic US Highway" page for US-16 and updated corresponding pages: Highways 10-19 and Listings page.
September 27, 2003 - Corrected the Highways 1-9 page to reflect the 2001 route changes to M-3 in downtown Detroit. Also added two more route listings to the Highways 20-29 page.
September 26, 2003 - Added the Highways 20-29 page with the first four route listings.
September 25, 2003 - Added the Tug of War That is the US-23 Freeway page about the proposed "freeway-ization" of US-23 from Standish to Oscoda.
September 21, 2003 - Added the final three listings to the Highways 10-19 page.
September 19, 2003 - Added an updated map of the US-131 Manton Bypass to reflect its opening to traffic on that day.
September 16, 2003 - Added the Highways 10-19 page with the first seven route listings. Also, uploaded new versions of the route marker symbols used in the website.
September 14, 2003 - Added the Highways 1-9 page.
July 20, 2003 - New website "officially" unveiled to general public
Nov. 2002-July 2003 - New website created
November 24, 2002 - Domain "michiganhighways.org" registered
June 1997 through July 2003 - Previous versions of website, hosted at AOL