1927 Ohio state highway renumbering

This renumbering happened in early July 1927.[1][2] The main source used for this list is [3].

New	Old	From	To
U.S. Route 20	State Route 23	Indiana	West of Toledo
U.S. Route 20	State Route 63	West of Toledo	Perrysburg
U.S. Route 20	State Route 102	Perrysburg	Southeast of Woodville
U.S. Route 20	State Route 2	Southeast of Woodville	Pennsylvania
U.S. Route 21	State Route 8	Marietta (West Virginia)	Newcomerstown
U.S. Route 21	State Route 20	Newcomerstown	New Philadelphia
U.S. Route 21	State Route 13	Northwest of Strasburg (US 21 overlapped State Route 6 from New Philadelphia)	Cleveland
U.S. Route 22	State Route 49	Cambridge	Pennsylvania
U.S. Route 23	State Route 4	Portsmouth (Kentucky)	North of Marion
U.S. Route 23	State Route 22	North of Marion	Carey
U.S. Route 23	State Route 63	Carey	Perrysburg
U.S. Route 23	State Route 6	Perrysburg	Toledo
U.S. Route 23	State Route 256	Toledo	Michigan
U.S. Route 24	State Route 31	Indiana	Napoleon
U.S. Route 24	State Route 110	Napoleon	Grand Rapids
U.S. Route 24	State Route 31	Grand Rapids	Toledo
U.S. Route 24	State Route 177	Toledo	Michigan
U.S. Route 25	State Route 124	Sharonville (US 25 overlapped US 42 from Cincinnati (Kentucky))	Franklin
U.S. Route 25	State Route 6	Franklin	Perrysburg (US 25 overlapped US 20 to Maumee and US 24 to Toledo)
U.S. Route 25	State Route 6	Toledo	Michigan
U.S. Route 27	State Route 129	Cincinnati (Kentucky)	Ross
U.S. Route 27	State Route 223	Northeast of Ross (US 27 overlapped SR 128 from Ross)	McGonigle
U.S. Route 27	State Route 126	McGonigle	Indiana
U.S. Route 30	State Route 5	Indiana	Delphos
U.S. Route 30	State Route 10	Delphos	Jefferson
U.S. Route 30	State Route 5	Jefferson	Northwest of Cannons Mills (overlapped SR 7 to East Liverpool (West Virginia))
U.S. Route 40	State Route 1	Indiana	Bridgeport (West Virginia)
U.S. Route 42	State Route 28	Cincinnati (Kentucky)	London
U.S. Route 42	State Route 160	London	Delaware
U.S. Route 42	State Route 55	Delaware	Medina
U.S. Route 42	State Route 3	Medina	Cleveland
U.S. Route 50	State Route 7	Indiana	Cincinnati
U.S. Route 50	State Route 27	Cincinnati	Milford
U.S. Route 50	State Route 26	Milford	Athens
U.S. Route 50	State Route 144	Athens	Coolville (US 50 overlapped SR 7 to Belpre (West Virginia))
U.S. Route 52	State Route 130	Indiana	Cincinnati
U.S. Route 52	State Route 7	Cincinnati	Chesapeake (West Virginia)
U.S. Route 127	State Route 112	Toledo	Michigan
U.S. Route 322	State Route 15	Cleveland	Pennsylvania
U.S. Route 422	State Route 16	Cleveland	Warren
U.S. Route 422	State Route 169	Warren	Northwest of Girard
U.S. Route 422	State Route 16	Northwest of Girard	Pennsylvania
State Route 2	State Route 2	Indiana	Toledo
State Route 2	State Route 23	Toledo	West of Port Clinton (SR 2 overlapped SR 163 to west of Marblehead and crossed on a ferry to Sandusky)
State Route 3	State Route 3	Cincinnati	Northwest of Lakeville
State Route 3	State Route 250	Northwest of Lakeville	Southwest of Wooster
State Route 3	State Route 3	Southwest of Wooster	Medina
State Route 3	State Route 55	Medina	Hinckley
State Route 4	State Route 6	Cincinnati	Middletown
State Route 4	State Route 52	Middletown	Southwest of Milford Center
State Route 4	State Route 55	Southwest of Milford Center	Marysville
State Route 4	State Route 4	North of Marion	Sandusky
State Route 5	State Route 5	Delphos	Jefferson
State Route 6	State Route 13	Bridgeport	Northwest of Strasburg
State Route 7	State Route 7	Chesapeake	Conneaut
State Route 8	State Route 48	Fly	Uhrichsville
State Route 8	State Route 8	Uhrichsville	Cleveland
State Route 10	State Route 40	Washington Court House	Zanesville
State Route 13	State Route 30	Chauncey	Sandusky
State Route 15	State Route 22	Ney	Carey
State Route 15	State Route 9	South of Bryan	Ney
State Route 16	State Route 20	Columbus	Newcomerstown
State Route 16	State Route 8	Newcomerstown	Uhrichsville
State Route 19	State Route 19	Columbus	Canton
State Route 19	State Route 44	Canton	North of Louisville
State Route 19	State Route 19	North of Louisville	Harrisburg
State Route 19	State Route 173	Harrisburg	South of Beloit
State Route 19	State Route 19	South of Beloit	Pennsylvania
State Route 26	State Route 26	Athens	Griffith
State Route 28	State Route 27	Milford	West of Chillicothe (SR 27 overlapped SR 26 to Chillicothe)
State Route 31	State Route 21	Pomeroy	Findlay
State Route 32	State Route 55	Marysville	Delaware
State Route 39	State Route 20	New Philadelphia	East Liverpool
State Route 39	State Route 5	East Liverpool	Pennsylvania
State Route 43	State Route 43	Wintersville (overlapped SR 49 until 1927)	Canton
State Route 43	State Route 89	Canton	Aurora
State Route 43	State Route 82	Aurora	Cleveland
State Route 44	State Route 19	Canton	North of Louisville
State Route 44	State Route 44	North of Louisville	Painesville
State Route 48	State Route 50	Lebanon	Abe
State Route 55	State Route 55	Ludlow Falls	Southwest of Milford Center
State Route 63	State Route 125	West of Monroe	Lebanon
State Route 73	State Route 6	Middletown	Franklin
State Route 73	State Route 73	Franklin	West of Portsmouth
State Route 76	State Route 266	Beverly	South of Bristol (SR 76 overlapped SR 78 to Bristol)
State Route 76	State Route 215	Bristol	Cumberland
State Route 76	State Route 76	Cumberland	Wooster
State Route 80	State Route 155	Sandyville	Minerva
State Route 80	State Route 80	Minerva	Welshfield
State Route 81	State Route 82	Southeast of Elyria	Aurora
State Route 82	State Route 82	Aurora	Pennsylvania
State Route 94	State Route 55	Hinckley	Cleveland
State Route 95	State Route 42	Marion	North of Cambridge
State Route 102	State Route 2	Toledo	Southeast of Woodville
State Route 104	State Route 112	Northwest of Portsmouth	Waverly (SR 104 overlapped US 23 to Chillicothe)
State Route 104	State Route 104	North of Chillicothe (SR 104 overlapped SR 11 from Chillicothe after 1927)	Columbus
State Route 110	State Route 31	Napoleon	Grand Rapids
State Route 110	State Route 110	Grand Rapids	Perrysburg
State Route 124	State Route 24	Hillsboro	East of Rolandus
State Route 125	State Route 25	Cincinnati	Friendship
State Route 126	State Route 129	Indiana	Ross
State Route 126	State Route 26	Dunlap (SR 126 overlapped US 27 from Ross)	Milford
State Route 129	State Route 127	Indiana	Hamilton
State Route 130	State Route 126	Hamilton	McGonigle
State Route 142	State Route 28	London	West Jefferson
State Route 144	State Route 144	Coolville	Little Hocking
State Route 146	State Route 146	Zanesville	Cumberland
State Route 146	State Route 215	Cumberland	Pleasant City
State Route 148	State Route 148	South of Barnesville (SR 148 overlapped SR 48 from Barnesville until 1927)	Powhatan Point
State Route 151	State Route 212	Station 15	Bowerston
State Route 151	State Route 151	Bowerston	Mingo Junction
State Route 159	State Route 27	Hopetown (SR 27 overlapped SR 4 from Chillicothe)	Kinnikinnick
State Route 169	State Route 16	Warren	Northwest of Girard
State Route 173	State Route 19	Harrisburg	South of Beloit
State Route 177	N/A	North of Tuscarawas	New Philadelphia
State Route 180	State Route 27	Kinnikinnick	Enterprise (SR 27 overlapped SR 21 to Logan)
State Route 212	State Route 151	Bowerston	Sherrodsville
State Route 215	State Route 146	South of Cumberland (SR 146 overlapped SR 215 from Cumberland)	Belle Valley
State Route 223	State Route 102	Holland	Northwest of Maumee (SR 102 overlapped US 20 to Perrysburg)
State Route 249	State Route 22	Indiana	Ney
State Route 250	State Route 3	Northwest of Lakeville	Southwest of Wooster
State Route 255	State Route 259	New Philadelphia	Southwest of Zoarville
State Route 259	State Route 259	Seventeen	New Philadelphia
State Route 263	State Route 63	Sylvania	West of Toledo
State Route 263	State Route 23	West of Toledo	Toledo
State Route 265	State Route 148	East of Cambridge	Baileys Mills (SR 148 overlapped SR 147 to Barnesville)
State Route 267	State Route 5	Northwest of Cannons Mills	East Liverpool