{{Short description|State highway in northeastern Ohio, US}} {{Use American English|date=May 2025}} {{Use mdy dates|date=January 2025}} {{Infobox road |state=OH |type=SR |route=46 |map={{maplink-road}} |map_custom=yes |map_notes=Route of SR 46 highlighted in red |maint=ODOT |length_mi=76.66 |length_round=2 |length_ref=<ref name=DESTAPE>{{cite web |url=https://www.transportation.ohio.gov/wps/portal/gov/odot/programs/technical-services/transportation-information-management/02-rt-02n-1 |title=DESTAPE |publisher=Ohio Department of Transportation |date=November 2, 2020 |access-date=May 17, 2021}} *[https://www.transportation.ohio.gov/static/Programs/TechServices/RT-02N/RT-02-COL.pdf Columbiana County] *[https://www.transportation.ohio.gov/static/Programs/TechServices/RT-02N/RT-02-MAH.pdf Mahoning County] *[https://www.transportation.ohio.gov/static/Programs/TechServices/RT-02N/RT-02-TRU.pdf Trumbull County] *[https://www.transportation.ohio.gov/static/Programs/TechServices/RT-02N/RT-02-ATB.pdf Ashtabula County]</ref> |established=1924 |direction_a=South |terminus_a={{jct|state=OH|SR|170}} in East Palestine |junction= *{{jct|state=OH|SR|7}} near Columbiana *{{jct|state=OH|SR|11}} near Columbiana *{{jct|state=OH|US|62|US|224}} in Canfield *{{jct|state=OH|I|80}} in Austintown *{{jct|state=OH|US|422}} near Niles *{{jct|state=OH|US|322}} in Colebrook *{{jct|state=OH|US|24}} in New Lyme |direction_b=North |terminus_b={{jct|state=OH|SR|11}} in Plymouth Township |counties=Columbiana, Mahoning, Trumbull, Ashtabula |previous_type=SR |previous_route=45 |next_type=SR |next_route=47 }}
'''State Route 46''' ('''SR 46''') is a north–south state highway in the northeastern portion of the U.S. state of Ohio. Its southern terminus is at State Route 170 in East Palestine (this point is also the eastern terminus of State Route 558), and its northern terminus is at State Route 11 several miles south of State Route 531 in Plymouth Township. In its northernmost portion, from south of Ashtabula to Cortland, Route 46 is a 2-lane highway while running parallel within a few miles to limited-access State Route 11 to the east.
==History== {{prose|section|date=May 2021}} *'''1923''' – Original route established;<ref name=system>[http://pages.prodigy.net/john.simpson/highways/expls.html Explanation of the Ohio State Highway System] (The Unofficial Ohio State Highways Web Site) by John Simpson{{unreliable source?|failed=y|date=January 2014}} {{webarchive |url=https://web.archive.org/web/20060523023100/http://pages.prodigy.net/john.simpson/highways/expls.html |date=May 23, 2006 }}</ref> originally routed from Canfield to the former State Route 2 (current U.S. Route 20) in Ashtabula.<ref name=ohhwys>[http://pages.prodigy.net/john.simpson/highways/046.html Route 46] (The Unofficial Ohio State Highways Web Site) by John Simpson{{unreliable source?|failed=y|date=January 2014}} {{webarchive |url=https://web.archive.org/web/20041221100905/http://pages.prodigy.net/john.simpson/highways/046.html |date=December 21, 2004 }}</ref> *'''1931''' – Extended to Columbiana along a previously unnumbered road.<ref name=ohhwys/> *'''1938''' – Extended to State Route 531 in Ashtabula along a previously unnumbered road.<ref name=ohhwys/> *'''1946''' – Extended to East Palestine along its current route and State Route 558.<ref name=ohhwys/> *'''1947''' – From {{convert|1|mi|km|adj=on}} south of New Waterford to East Palestine dually certified with State Route 558.<ref name=ohhwys/> *'''1950''' – Truncated at {{convert|1|mi|km|adj=on}} south of New Waterford<ref name=ohhwys/> ([https://web.archive.org/web/20040927185910/http://www.dot.state.oh.us/techservsite/availpro/Road_%20Infor/SLD/pdf_files/colsr0046r.pdf ODOT’s diagram] shows this dual certification is still in place). *'''1956''' – Columbiana to Canfield dually certified with State Route 14.<ref name=ohhwys/> *'''1959''' – State Route 14 certification removed from Canfield to {{convert|2|mi|km}} south of Canfield.<ref name=ohhwys/> *'''1970''' – From {{convert|1|mi|km|adj=on}} south of Interstate 90 to Ashtabula rerouted along new freeway alignment and dually certified with State Route 11.<ref name=ohhwys/> *'''1984''' – State Route 14 certification removed from Columbiana to {{convert|2|mi|km}} south of Canfield.<ref name=ohhwys/> *'''2007-08-17''' - Removed from State Route 11, truncated at State Route 11 interchange in Plymouth Township.<ref>"[http://www.odotonline.org/techservapps/SLD/updates_2008/ATB.htm Straight-Line Diagrams County Update Table (Ashtabula, 2008)] {{Webarchive|url=https://web.archive.org/web/20110727141706/http://www.odotonline.org/techservapps/SLD/updates_2008/ATB.htm |date=2011-07-27 }}". ''Ohio Department of Transportation''.</ref>
==Major intersections== {{OHinttop|length_ref=<ref name=DESTAPE/>}} {{OHint |type=concur |county=Columbiana |cspan=4 |location=East Palestine |mile=0.00 |road={{jct|state=OH|SR|170|SR|558|dir2=ends|to3=yes|SR|165|name1=Market Street|road|North Main Street}} |notes=Southern end of SR 558 concurrency }} {{OHint |type=concur |township=Unity |ctdab=Columbiana |mile=3.15 |road={{jct|state=OH|SR|558|dir1=west|city1=East Fairfield}} |notes=Northern end of SR 558 concurrency }} {{OHint |type=concur |township=Fairfield |ctdab=Columbiana |lspan=2 |mile=6.82 |road={{jct|state=OH|SR|7|dir1=south|CR|422|county2=Columbiana|name2=Columbiana-Waterford Road}} |notes=Southern end of SR 7 concurrency }} {{OHint |type=concur |mile=8.34 |road={{jct|state=OH|SR|7|dir1=north|to2=yes|OHTP||SR|14|dir3=east|city1=Youngstown|location2=PA Route 51}} |notes=Northern end of SR 7 concurrency; southern end of SR 14 concurrency }} {{OHint |county1=Columbiana |county2=Mahoning |cspan=2 |location=Columbiana |lspan=2 |mile=11.08 |road={{jct|state=OH|SR|164|name1=South Avenue|city1=Columbiana|city2=Youngstown}} }} {{OHint |type=concur |mile=11.15 |road={{jct|state=OH|SR|14|dir1=west|name1=County Line Road|road|North Main Street|to2=yes|SR|164|dir2=south}} |notes=Northern end of SR 14 concurrency }} {{OHint |county=Mahoning |cspan=7 |township=Beaver |ctdab=Mahoning |lspan=2 |mile=13.41 |mile2=13.56 |road={{jct|state=OH|SR|11|city1=Youngstown|city2=East Liverpool}} |notes=Exit 27 (SR 11) }} {{OHint |mile=14.78 |road={{jct|state=OH|SR|165|city1=Greenford|city2=Beloit}} }} {{OHint |township=Canfield |ctdab=Mahoning |mile=19.97 |road={{jct|state=OH|SR|446|name1=Canfield Bypass|dir1=north|to2=yes|US|224|dir2=west}} |notes=Southern terminus of SR 446 }} {{OHint |type=concur |location=Canfield |lspan=3 |mile=20.54 |road={{jct|state=OH|US|62|dir1=west|name1=Lisbon Street}} |notes=Southern end of US 62 concurrency }} {{OHint |mile=20.63 |road={{jct|state=OH|US|224|name1=Main Street}} }} {{OHint |type=concur |mile=21.98 |road={{jct|state=OH|US|62|dir1=east|name1=Shields Road|road|Herbert Road}} |notes=Northern end of US 62 concurrency }} {{OHint |township=Austintown |ctdab=Mahoning |mile=27.45 |mile2=27.69 |road={{jct|state=OH|I|80|to2=yes|I|76|OHTP||location1=New York|location2=Toledo|road|Clarkins Drive}} |notes=Exit 223 (I-80) }} {{OHint |type=concur |county=Trumbull |cspan=9 |location=Niles |lspan=3 |mile=31.66 |road={{jct|state=OH|SR|169|dir1=north|name1=North Main Street}} |notes=Southern end of SR 169 concurrency }} {{OHint |type=concur |mile=31.96 |road={{jct|state=OH|SR|169|dir1=east|name1=Robbins Avenue|road|Mahoning Avenue}} |notes=Northern end of SR 169 concurrency }} {{OHint |mile=33.83 |road={{jct|state=OH|US|422}} }} {{OHint |township=Howland |ctdab=Trumbull |mile=35.45 |mile2=35.60 |road={{jct|state=OH|SR|82|to2=yes|SR|11|location1=Sharon, PA|city2=Warren}} |notes=Interchange }} {{OHint |location=Cortland |lspan=3 |mile=40.99 |road={{jct|state=OH|SR|305|city1=Champion|city2=Hartford|location3=Mosquito Lake State Park|name1=Wilson Sharpsville Road}} }} {{OHint |type=concur |mile=41.63 |road={{jct|state=OH|SR|5|dir1=west|name1=Elm Road|city1=Warren }} |notes=Southern end of SR 5 concurrency }} {{OHint |type=concur |mile=41.78 |road={{jct|state=OH|SR|5|dir1=east|name1=High Street|location1=Mosquito Lake State Park|road|Warren Meadville Road}} |notes=Northern end of SR 5 concurrency }} {{OHint |township=Mecca |mile=46.68 |mile2=46.74 |road={{jct|state=OH|SR|88|location1=Johnston|city2=West Farmington|name1=Greenville Road NE}} |notes=Traffic circle }} {{OHint |township=Greene |mile=51.87 |road={{jct|state=OH|SR|87|name1=Kinsman Road NE|city1=Middlefield|city2=Kinsman}} }} {{OHint |county=Ashtabula |cspan=5 |township=Colebrook |ctdab=Ashtabula |mile=57.07 |road={{jct|state=OH|US|322|city1=Orwell}} }} {{OHint |township=New Lyme |mile=62.00 |road={{jct|state=OH|US|6|city1=Andover|city2=Chardon}} }} {{OHint |type=concur |location=Jefferson |lspan=2 |mile=70.89 |road={{jct|state=OH|SR|307|dir1=east|name1=Mulberry Street}} |notes=Southern end of SR 307 concurrency }} {{OHint |type=concur |mile=70.00 |road={{jct|state=OH|SR|167|dir1=east|SR|307|dir2=west|name2=Beech Street}} |notes=Western terminus of SR 167; northern end of SR 5 concurrency }} {{OHint |township=Plymouth |ctdab=Ashtabula |mile=76.37 |mile2=76.66 |road={{jct|state=OH|SR|11|to2=yes|I|90|road|State Road|city1=Youngstown|city2=Ashtabula}} |notes=Exit 92 (SR 11) }} {{OHintbtm|keys=concur}}
==References== {{Attached KML|display=title,inline}} {{Reflist}}
046 Category:Transportation in Columbiana County, Ohio Category:Transportation in Mahoning County, Ohio Category:Transportation in Trumbull County, Ohio Category:Transportation in Ashtabula County, Ohio