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Interstate 475 (Ohio)

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Interstate 475 marker
Interstate 475
Rosa Parks Highway
Map
I-475 highlighted in red
Route information
Auxiliary route of I-75
Maintained by ODOT
Length20.37 mi[1] (32.78 km)
NHSEntire route
Major junctions
South end I-75 / US 23 in Perrysburg
Major intersections
East end I-75 in Toledo
Location
CountryUnited States
StateOhio
CountiesWood, Lucas
Highway system
  • Ohio State Highway System
← I-471→ I-480

Interstate 475 (I-475) is an auxiliary Interstate Highway in Ohio that is a 20.37-mile (32.78 km) western bypass of Toledo. The southern terminus is I-75 exit 192 near Perrysburg. From the southern terminus to exit 14, I-475 is cosigned with US Route 23 (US 23) and is signed the north–south section of I-475. From exit 14 to the eastern (northernmost) terminus at I-75 exit 204 in central Toledo (north of downtown), it is signed the east–west section of I-475.

Although I-475 crosses I-80/I-90 (the Ohio Turnpike), there is no interchange and one must drive a couple of miles through surface streets between I-475 exit 6 and I-80/I-90 exit 59.

I-475 is named the Rosa Parks Highway in honor of Rosa Parks, who had helped organize the Montgomery bus boycott.[2]

Route description

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I-475 is a half-beltway bypassing Downtown Toledo on its western side as mostly a north–south segment and a largely east–west segment on the north side of Toledo. It has almost a half-square shape on the map consisting of the top and left sides of the square. It is much less direct than its parent I-75 through Toledo; the entire route of I-475 uses 20 miles (32 km) to connect exits 12 miles (19 km) apart on I-75.

I-475 parallels what was US 23 on its north–south segment (US 23 has been realigned to it); it has Ann Arbor, Michigan, as a control city northbound (via US 23) and Columbus and Dayton as control cities southbound; it reaches neither of the three cities. On its northern segment it parallels State Route 120 (SR 120) and has Toledo as a control city to the east. Rural when built, it has much suburban-style development along its route.

It has no direct access to the Ohio Turnpike, access to which requires the use of either SR 2 to and from the west, I-75 to or from the east, or surface streets to US 20.

History

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I-475 was opened in sections with the first opened in 1967 between US 20, at the current I–75 interchange near Perrysburg, and US 24, near Maumee.[3][4] By 1969, the second portion opened between US 24 and US 23, near Sylvania. In this year, the southern terminus was moved from US 20, near Perrysburg, to the southern interchange with I–75.[5] The final section opened in 1971 and was between US 23 and I-75 near Downtown Toledo.[6]

Between 2010 and 2012, the easternmost sections of I-475 were reconstructed. This included the redevelopment of several overpasses, as well as the removal of an outdated interchange with Central Avenue in favor of an interchange with a newly constructed extension of ProMedica Parkway for easier access. Additional lanes were also added at the I-75/I-475 junction at I-475's eastern terminus.[7]

Since July 2015, work has been ongoing along the western stretch of I-475 in Lucas County along its concurrency with US 23 to widen the freeway from two to three lanes in both directions to meet the needs of development in the western suburbs of Toledo. As part of this, two interchanges are being built and a preexisting one has been upgraded.[8] The interchange with US 20 in Sylvania Township was upgraded from a partial cloverleaf interchange to a single-point urban interchange by November 2016.[9] Interchanges at SR 246 and US 20 Alternate (US 20A) in Springfield Township and Maumee are under planning and construction, with the SR 246 interchange, a dumbbell interchange,[10] opened on August 2, 2021,[11] in time for the Solheim Cup.[12] Construction on the US 20A interchange has commenced as of late 2023.

In Perrysburg, work was completed in late 2017 on upgrading the diamond interchange with SR 25 into a diverging diamond interchange.[13]

Exit list

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CountyLocationmikmOld exit[14]New exitDestinationsNotes
WoodPerrysburg0.000.00—1
 I-75 / US 23 south – Toledo, Dayton		Southbound exit and northbound entrance; southern end of US 23 concurrency; southern terminus signed as exits 1A (north to I-75) and left 1B (south to I-75); I-75 exit 192; tri-stack interchange.
0.821.3212 SR 25 (Dixie Highway) – Perrysburg, Bowling GreenDiverging diamond interchange
LucasMaumee4.186.7324 US 24 (Anthony Wayne Trail) – Napoleon, Waterville, MaumeeSigned as exits 4A (east) and 4B (west) on collector–distributor lanes; exit 68 on US 24
5.809.33—5 US 20A – MaumeeFuture diverging diamond interchange with US 20A[15]
6.159.90—6


 To I-80 / I-90 / Ohio Turnpike / Salisbury Road / Dussel Drive		Salisbury Road runs west, Dussel Drive runs east; added 1989[16]
Springfield Township8.3213.3938 SR 2 (Airport Highway) – Toledo Express Airport, Swanton, ToledoSigned as exits 8A (east) and 8B (west) southbound
11.4818.48—11
 SR 246 east (Dorr Street)		Western terminus of SR 246; added 2021
Sylvania Township12.6520.36413 US 20 (Central Avenue) / SR 120Single-point urban interchange
13.5121.74—14
 US 23 north – Sylvania, Ann Arbor		Northern end of US 23 concurrency; route orientation changes from north–south to east–west
14.9624.08—15Corey RoadEastbound exit and westbound entrance
Toledo16.0825.88—16Talmadge RoadWestbound exit and eastbound entrance
17.1627.62—17Secor Road
17.6428.39—18A
 SR 51 north (Monroe Street)		Westbound exit to northbound SR 51 and eastbound entrance from southbound SR 51 only
18.1929.27—18BDouglas RoadWestbound exit and eastbound entrance
—19Central Avenue, Jackman RoadJackman Road was signed westbound only; entrances were via Upton Avenue and from Central Avenue via Kelly Avenue; exit removed 2012[7]
19.2030.90—19ProMedica ParkwayProMedica Parkway replaced the Central Avenue exit in 2012
19.9332.07—20 I-75 – Detroit, DaytonEastbound exit and westbound entrance; northern terminus signed as exits 20A (north) and 20B (south); I-75 exit 204
20.3532.75—205AJeep Parkway, Willys ParkwayFormer eastbound exit and westbound entrance; exit number corresponded to I-75
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

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  1. ^ DeSimone, Tony (October 31, 2002). "Table 2: Auxiliary Routes of the Dwight D. Eisenhower National System of Interstate and Defense Highways". Route Log and Finder List. Federal Highway Administration. Retrieved September 27, 2007.
  2. ^ Curnette, Mark (September 25, 1998). "Rosa Parks, Freedom Center Award Winner, Keeps Spirit of Movement Alive". The Cincinnati Enquirer. Retrieved August 24, 2010.
  3. ^ Ohio Department of Highways (1966). Official Highway Map (PDF) (Map). c. 1:563,200. Columbus: Ohio Department of Highways. OCLC 5673562. Retrieved February 1, 2013.
  4. ^ Ohio Department of Highways (1967). Official Highway Map (PDF) (Map). c. 1:563,200. Columbus: Ohio Department of Highways. OCLC 5673562, 7444249. Retrieved February 1, 2013.
  5. ^ Ohio Department of Highways (1969). Official Highway Map (PDF) (Map). c. 1:563,200. Columbus: Ohio Department of Highways. OCLC 5673562, 7448779. Retrieved February 1, 2013.
  6. ^ Ohio Department of Highways (1971). Official Highway Map (PDF) (Map). 1:554,400. Columbus: Ohio Department of Highways. OCLC 5673562. Retrieved February 1, 2013.
  7. ^ a b Ohio Department of Transportation (July 27, 2010). "I-75/I-475 Interchange Upgrade Project" (PDF). Ohio Department of Transportation. Retrieved September 11, 2014.
  8. ^ Ohio Department of Transportation. "I-475 widening and reconstruction". Ohio Department of Transportation. Retrieved July 18, 2021.
  9. ^ District 2. "Pages - Central Avenue/I-475 Interchange Upgrade Project Home". Ohio Department of Transportation. Retrieved July 18, 2021.{{cite web}}: CS1 maint: numeric names: authors list (link)
  10. ^ "LCTID - I-475 Interchange Projects Public Meeting Documents". Lucas County. Retrieved July 18, 2021.
  11. ^ Kirby, Caylee (August 2, 2021). "Dorr Street, I-475 interchange opens in northwest Ohio". wtol.com. WTOL. Retrieved August 2, 2021.
  12. ^ Patch, David. "ODOT: New Dorr Street ramps not opening quite yet". Toledo Blade. Retrieved July 18, 2021.
  13. ^ District 2. "Pages - Diverging Diamond in Perrysburg". Ohio Department of Transportation. Retrieved July 18, 2021.{{cite web}}: CS1 maint: numeric names: authors list (link)
  14. ^ Ohio Department of Highways (1969). Official Highway Map (PDF) (Map). c. 1:563,200. Columbus: Ohio Department of Highways. OCLC 5673562, 7448779. Retrieved April 21, 2018.
  15. ^ Stormer, Michael (n.d.). "Project Information Sheet: I-475 & US 20A Interchange Project" (PDF). Ohio Department of Transportation. Retrieved May 13, 2018.
  16. ^ McLaughlin, Mary-Beth (June 8, 2003). "Maumee Turned Risk into Riches at Arrowhead Park". The Blade. Toledo, OH. Retrieved June 16, 2008.
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