| 词条 | Interstate 675 (Michigan) |
| 释义 |
|state=MI |type=I |route=675 |spur_type=I |spur_of=75 |map={{maplink|frame=yes|plain=yes|frame-align=center|frame-width=290|frame-height=290|frame-lat=43.464|frame-long=-83.923|zoom=12|type=line|raw={{Wikipedia:Map data/Wikipedia KML/Interstate 675 (Michigan)}}}} |map_custom=yes |map_notes=I-675 highlighted in red |length_mi=7.728 |length_ref=[1] |established={{start date|1971|10|21}}[1] |direction_a=South |terminus_a={{Jct|state=MI|I|75|US|23}} near Saginaw |junction={{Jct|state=MI|MI|58}} in Saginaw |direction_b=North |terminus_b={{Jct|state=MI|I|75|US|23}} in Zilwaukee |counties=Saginaw |previous_type=M |previous_route=553 |next_type=I |next_route=696 }} Interstate 675 (I-675) is an auxiliary Interstate Highway in the US state of Michigan. The freeway is a {{convert|7.7|mi|km|adj=mid|-long}} loop route through downtown Saginaw, as I-75 passes on the east side of the city. I-675 is also a state trunkline highway that provided a bypass of the former drawbridge carrying I-75 and US Highway 23 (US 23) across the Saginaw River. Construction of I-675 started in 1969 and the freeway opened in 1971. Since then, sections near downtown were reconstructed from 2009 through 2011 to update one of the freeway's interchanges and rebuild the bridge over the Saginaw River. Route descriptionSplitting from I-75/US 23 on the eastern side of Saginaw, I-675 turns west toward downtown. The freeway runs between residential neighborhoods and has an interchange with Veterans Memorial Parkway. West of that interchange,[3][4] it crosses a line of the Huron and Eastern Railway.[2] From there, it runs on the northern edge of downtown near the Dow Event Center, spanning the Saginaw River on the Henry G. Marsh Bridge. On the west side of the river, the trunkline meets an interchange with M-58. From there it turns northward,[3][4] crossing a line of the Mid-Michigan Railroad.[2] I-675 continues northward, passing to the east of the Aleda E. Lutz VA Medical Center and through more residential neighborhoods in Saginaw Township North. After the interchange with Tittabawassee Road, which provides access to the Fashion Square Mall, I-675 turns northeasterly to connect back to I-75/US 23 north of the Zilwaukee Bridge.[3][4] The entire length of the freeway has four lanes (two in each direction).[4] Like other state highways in Michigan, I-675 is maintained by the Michigan Department of Transportation (MDOT). In 2015, the department's traffic surveys showed that on average, 31,300 vehicles used the freeway daily across the river and 9,400 vehicles did so each day north of Tittabawassee Road, the highest and lowest counts along the trunkline, respectively.[5] As an Interstate Highway, all of I-675 is listed on the National Highway System,[6] a network of roads important to the country's economy, defense, and mobility.[7] HistoryI-675 was initially planned in the mid-1950s,[8] and the Michigan State Highway Department (MSHD) originally proposed the number I-275 for the freeway through Saginaw in 1958, while the MSHD proposed an I-73 number for what is now I-275.[9] The state started construction on I-675 in 1969.[10][11] The freeway was to provide access to the downtown Saginaw area and serve as a bypass for the original Zilwaukee Bridge northeast of downtown, roles that continue today. At the time, the Zilwaukee Bridge was a bascule bridge that could be raised to allow shipping traffic to use the Saginaw River. Opening the drawbridge would back traffic up on the freeway for up to four hours on holiday weekends. I-675 helped relieve the congestion during such times.[12] The record was a {{convert|56|mi|km|adj=mid|-long}} traffic jam on Labor Day 1968, although {{convert|20|mi|km|adj=on}} backups were common until the shipping companies using the Saginaw River limited their traffic in 1970.[13] The freeway was completed in 1971 and opened to traffic that year.[1][14] After completion, the state considered reconstructing I-675 to make the downtown freeway the through routing for I-75/US 23 in the Saginaw area to bypass the bascule bridge.[15] Originally to be completed in 1983, the replacement bridge on I-75/US 23 finally opened on September 19, 1988.[16] The next year, southbound I-675 was used to divert traffic around a temporary closure on the southbound span of the Zilwaukee Bridge. At the same time, northbound I-675 was closed while crews replaced the deck on the bridge over the Saginaw River.[17] In 2002, the Zilwaukee Bridge was closed for a few months for joint repair work, and traffic was diverted onto I-675.[18] The freeway through downtown was pressed back into service as a detour around the Zilwaukee Bridge for six months in 2008 as a mishap involving several steel reinforcement rods during a maintenance project closed that structure for an extended period of time.[19] Then, starting in May 2009 and ending in November 2011, sections of I-675 were closed from exit 2 easterly to begin renovations during the summer construction seasons. These projects included rehabilitation of the Henry Marsh Bridge, the reconstruction of overpasses, and a redesigned exit at Warren Avenue to ease access into downtown Saginaw.[20][21] The project cost $42 million (equivalent to ${{formatprice|{{inflation|US-GDP|42000000|2010}}}} in {{inflation-year|US-GDP}}{{inflation-fn|US-GDP|last-author-amp=yes}}).[22] {{Clear}}Exit list{{MIinttop|exit|county=Saginaw|ref=[23]}}{{MIint|exit|location=Buena Vista Township |mile=0.000 |exit=— |road={{jct|state=MI|I|75|US|23|city1=Flint|location2=Mackinac Bridge}} |notes=Exit 150 on I-75/US 23}}{{MIint|exit |location=Saginaw |lspan=4 |mile=1.110 |mile2=1.124 |exit=1 |road=Veterans Memorial Parkway |notes= }}{{MIint|exit |mile=1.844 |mile2=1.897 |exit=2A |type=incomplete |road=5th Avenue, 6th Avenue |notes=Northbound exit and southbound entrance}}{{MIint|exit |mile=2.333 |exit=2B |road={{jct|state=MI|M|13|to1=to|road=Warren Avenue, Jefferson Avenue|city1=Downtown Saginaw}} |notes=Signed as exit 2 southbound; Warren Avenue signed northbound only, Jefferson Avenue signed southbound only}}{{MIint|exit |mile=2.896 |mile2=3.237 |exit=3 |road={{jct|state=MI|M|58|name1=Davenport Avenue|road=Michigan Avenue}} |notes=Southbound exit via Hill Street; eastern terminus of M-58 }}{{MIint|exit |location=Saginaw Township |mile=5.854 |exit=6 |road=Tittabawassee Road – Zilwaukee |notes= }}{{MIint|exit |location=Zilwaukee Township |mile=7.728 |exit=— |road={{jct|state=MI|I|75|US|23|city1=Flint|location2=Mackinac Bridge}} |notes=Exit 155 on I-75/US 23}}{{jctbtm|keys=incomplete}} See also
References1. ^1 {{cite news |url = https://www.newspapers.com/clip/9266520/the_times_herald/ |title = Highway Loop Completed |work = The Times Herald |location = Port Huron, MI |agency = Associated Press |page = 23 |oclc = 36177739 |access-date = March 1, 2017 |via = Newspapers.com }} {{open access}} 2. ^1 {{cite map |author = Michigan Department of Transportation |date = January 2011 |url = http://www.michigan.gov/documents/MDOT_Official_Rail_130897_7.pdf |title = Michigan's Railroad System |scale = Scale not given |location = Lansing |publisher = Michigan Department of Transportation |access-date = February 1, 2011 |deadurl = yes |archiveurl = https://www.webcitation.org/6AqxbScyC?url=http://www.michigan.gov/documents/MDOT_Official_Rail_130897_7.pdf |archivedate = September 21, 2012 |df = }} 3. ^1 2 {{cite MDOT map |year = 2012 |inset = Saginaw }} 4. ^1 2 3 {{google maps |url = https://maps.google.com/maps?saddr=Unknown+road&daddr=Unknown+road&hl=en&sll=43.47491,-83.917522&sspn=0.060043,0.058279&geocode=FZfBlgIdFub_-g%3BFTaylwIdnEv_-g&t=h&mra=ls&z=13 |title = Overview Map of I-675 |access-date = July 12, 2012 }} 5. ^{{cite web |author = Bureau of Transportation Planning |year = 2015 |url = http://mdotnetpublic.state.mi.us/tmispublic/ |title = Traffic Monitoring Information System |publisher = Michigan Department of Transportation |access-date = January 28, 2017 }} 6. ^{{cite map |author=Michigan Department of Transportation |title=National Highway System, Michigan |date=April 23, 2006 |scale=Scale not given |location=Lansing |publisher=Michigan Department of Transportation |url=http://www.michigan.gov/documents/MDOT_NHS_Statewide_150626_7.pdf |format=PDF |access-date=October 7, 2008 |deadurl=yes |archiveurl=https://www.webcitation.org/6AqxSurw0?url=http://www.michigan.gov/documents/MDOT_NHS_Statewide_150626_7.pdf |archivedate=September 21, 2012 |df= }} 7. ^{{cite web |first1 = Stefan |last1 = Natzke |first2 = Mike |last2 = Neathery |first3 = Kevin |last3 = Adderly |last-author-amp = y |url = http://www.fhwa.dot.gov/planning/national_highway_system/ |title = What is the National Highway System? |work = National Highway System |publisher = Federal Highway Administration |date = June 20, 2012 |access-date = July 1, 2012 }} 8. ^{{cite map |map-url = http://commons.wikimedia.org/wiki/File:Saginaw,_Michigan_1955_Yellow_Book.jpg |title = General Location of National System of Interstate Highways Including All Additional Routes at Urban Areas Designated in September 1955 |map = Saginaw |scale = Scale not given |page = 46 |author = Bureau of Public Roads |location = Washington, DC |publisher = Government Printing Office |year = 1955 |oclc = 4165975 |access-date = September 18, 2016 |via = Wikimedia Commons }} 9. ^{{cite web|author=Michigan State Highway Department |date=April 25, 1958 |title=Recommended Interstate Route Numbering for Michigan |url=http://nwindianahwys.homestead.com/michiplan.html |location=Lansing |publisher=Michigan State Highway Department |archive-url=https://web.archive.org/web/20040805182658/http://nwindianahwys.homestead.com/michiplan.html |archive-date=August 5, 2004 |deadurl=yes |df= }} 10. ^{{cite MDOT map |year = 1969 |link = yes |c-link = yes |section = J12 }} 11. ^{{cite MDOT map |year = 1970 |section = J12 }} 12. ^{{cite book |last = Hyde |first = Charles K. |year = 1993 |title = Historic Highway Bridges of Michigan |location = Detroit |publisher = Wayne State University Press |pages = 166–8 |isbn = 0-8143-2448-7 |oclc = 27011079 }} 13. ^{{cite news |first = Nancy |last = Benac |date = July 27, 1981 |url = https://news.google.com/newspapers?nid=1988&dat=19810727&id=3G8iAAAAIBAJ&sjid=Pa0FAAAAIBAJ&pg=4340,2103297&hl=en |title = Drawbridge to Be Traded for Huge Span at Zilwaukee |work = The Argus-Press |location = Owosso, MI |agency = Associated Press |page = 2 |access-date = September 18, 2016 |via = Google News }} 14. ^{{cite news |first=Gus |last=Burns |date=June 30, 2011 |title=Saginaw Interstate 675 Work: 1,000 Truckloads of Fill Sand, $14.4 million |url=http://www.mlive.com/news/saginaw/index.ssf/2011/06/saginaw_interstate_675_work_10.html |work=The Saginaw News |access-date=July 12, 2012 |archive-url=https://www.webcitation.org/696dANofM?url=http://www.mlive.com/news/saginaw/index.ssf/2011/06/saginaw_interstate_675_work_10.html |archive-date=July 12, 2012 |deadurl=yes |df= }} 15. ^{{cite book |author = Michigan Department of Transportation |year = 1987 |chapter = Section 2: Background |chapter-url = http://www.michiganhighways.org/indepth/zilwaukee_report2.html |title = The Zilwaukee Bridge: From the Beginning |location = Lansing |publisher = Michigan Department of Transportation |oclc = 16106385 |access-date = September 18, 2016 |via = Michigan Highways }} 16. ^{{cite news |author = Staff writer |date = September 19, 1988 |url = https://news.google.com/newspapers?id=C3BRAAAAIBAJ&sjid=zw0EAAAAIBAJ&pg=3349,13274&dq=zilwaukee+bridge&hl=en |title = Zilwaukee Bridge Now Open North, South—Partly |work = The Blade |location = Toledo, OH |page = 1 |oclc = 12962717 |access-date = July 12, 2012 |via = Google News }} 17. ^{{cite news |last = Gillmore |first = Dan |date = July 17, 1989 |url = https://www.newspapers.com/clip/9266687/detroit_free_press/ |title = Construction Closes Lanes on I-75, Bridge |work = Detroit Free Press |page = 3 |issn = 1055-2758 |oclc = 474189830 |access-date = March 1, 2017 |via = Newspapers.com }} {{open access}} 18. ^{{cite news |last = Leach |first = Hugh |date = March 4, 2002 |title = Projects Affect Jackson Route |url = https://www.newspapers.com/clip/9266562/lansing_state_journal/ |work = Lansing State Journal |page = 9 |oclc = 61312043 |access-date = March 1, 2017 |via = Newspapers.com }} {{open access}} 19. ^{{cite news|first=Barrie |last=Barber |date=November 28, 2010 |url=http://www.mlive.com/news/saginaw/index.ssf/2010/11/mdot_says_its_still_investigat.html |title=Two Years Later, MDOT Still Investigating Zilwaukee Bridge Maintenance Mishap that Closed Span for Months |work=The Saginaw News |access-date=September 18, 2016 |archive-url=https://archive.is/20130129085406/http://www.mlive.com/news/saginaw/index.ssf/2010/11/mdot_says_its_still_investigat.html |archive-date=January 29, 2013 |deadurl=yes |df= }} 20. ^{{cite news |first=Stacey |last=Henson |date=May 26, 2009 |url=http://www.mlive.com/news/saginaw/index.ssf/2009/05/interstate_675_closures_begin.html |title=Interstate 675 Closures Begin Today in Saginaw County |work=The Saginaw News |access-date=October 10, 2011 |archive-url=https://www.webcitation.org/696daWXCj?url=http://www.mlive.com/news/saginaw/index.ssf/2009/05/interstate_675_closures_begin.html |archive-date=July 12, 2012 |deadurl=yes |df= }} 21. ^{{cite news |first=Barrie |last=Barber |date=November 2, 2011 |url=http://www.mlive.com/news/saginaw/index.ssf/2011/11/mdot_now_says_i-675_will_reope.html |title=MDOT Now Says I-675 Will Reopen Mid-Day |work=The Saginaw News |access-date=July 12, 2012 |archive-url=https://www.webcitation.org/696ctyFzY?url=http://www.mlive.com/news/saginaw/index.ssf/2011/11/mdot_now_says_i-675_will_reope.html |archive-date=July 12, 2012 |deadurl=yes |df= }} 22. ^{{cite news |title = County with Worst Bridges to Get Fixes: Saginaw in Line for Two-Year, $42 Million Repair on I-675 |url = https://www.newspapers.com/clip/9266435/the_times_herald/ |work = The Times Herald |location = Port Huron, MI |page = 3 |oclc = 36177739 |access-date = March 1, 2017 |via = Newspapers.com }} {{open access}} 23. ^1 {{cite MDOT PRFA |link = yes |access-date = May 15, 2012 }} External links{{commons category|Interstate 675 (Michigan)|Interstate 675}}{{Attached KML|display=inline,title}}
4 : Auxiliary Interstate Highways|Interstate Highways in Michigan|Interstate 75|Transportation in Saginaw County, Michigan |
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