List of numbered roads in Niagara Region

This article lists all of the numbered regional roads in Regional Municipality of Niagara, Ontario. This list also contains all recently downloaded regional roads (heretofore marked as "RR"), which are marked in grey. The standard Niagara Regional Road sign is indicated at the right, with RR 20 providing the example.

Route number[1]	Name(s)[1]	Western/Southern Terminus[1]	Eastern/Northern Terminus[1]	Communities[1]	Comments
Niagara Regional Road 1 (West)	Michener Road, Farr Avenue	Point Abino Road	Gorham Road	Ridgeway, Crystal Beach	Originally included Michener Road, Pleasant Beach Road, and Beach Road from RR 98 (Empire Road) to Point Abino Road; remainder downloaded in 2012[2]
Niagara Regional Road 1	Dominion Road	RR 116 (Gorham Road)	Lakeshore Road (Niagara Parkway)	Ridgeway, Crystal Beach, Fort Erie	Former Highway 3C
Niagara Regional Road 2	Caistorville Road	Indian Line (Haldimand County border; continues as Haldimand Road 2)	RR 65 (Silver Street)	Caistorville
Niagara Regional Road 3 (West)	Lakeshore Road, Station Road, Wainfleet Concession Road 1	Haldimand County border (continues as Haldimand Road 3)	Highway 3	Willow Bay, Long Beach
Niagara Regional Road 3 (Centre)	Main Street	Highway 3 at Port Colborne/Wainfleet boundary	Intersection of Highway 3 and Highway 140	Port Colborne	Former Highway 3
Niagara Regional Road 3	Garrison Road	Highway 3 and Rosehill Road	RR 124 (Central Avenue)	Fort Erie	Former Highway 3
Niagara Regional Road 3A	Mellanby Avenue, Welland Street	RR 3 (Main Street) west of Bridge 19 of Welland Canal	RR 3 (Main Street) east of Bridge 19	Port Colborne, Ontario	Mellanby Avenue formerly RR 503, Welland Street former part of RR 68 (South)
Niagara Regional Road 4	Wellandport Road	Highway 3	RR 27 (Riverside Road)	Wellandport	Formerly RR 20 before download of Highway 20
Niagara Regional Road 5 (West)	Killaly Street West	Highway 3	RR 3A (Mellanby Avenue)	Port Colborne	Downloaded 2002, then uploaded back to the Region in 2008
Niagara Regional Road 5 (East)	Killaly Street East	RR 68 (Welland Street)	Highway 3	Port Colborne, Gasline	Downloaded after 2002
Niagara Regional Road 6	Caistor Centre Road, Twenty Road, South Grimsby Road 15	RR 65 (Bismark Road)	Former Highway 20, now RR 20	Caistor Centre	Downloaded after 2002
Niagara Regional Road 7	Marshagan Road	Haldimand County border (continues as Haldimand Road 7)	RR 45 (Creek Road)	Dunnville (via Haldimand Road 7)	Originally numbered RR 545 in original 1969 regional road plan, renumbered later[3]
Niagara Regional Road 8	Grassie Road, Woolverton Road	Former Highway 20 (now RR 20)	RR 79 (Ridge Road)	Grassie	Downloaded after 2002
Niagara Regional Road 9	York Road	Haldimand County border (continues as Haldimand Road 9)	RR 2 (Caistorville Road)	Empire Corners, York (via Haldimand Road 9)	Originally numbered RR 502 in original 1969 regional road plan, renumbered later[3]
Niagara Regional Road 10	Casablanca Boulevard	RR 81 (Main Street)	RR 39 (North Service Road West)	Grimsby
Niagara Regional Road 11	Erie Road	Point Abino Road	Ridgeway Road	Bay Beach, Crystal Beach	Downloaded after 2002
Niagara Regional Road 12	Grimsby Road, Mountain Road, Mountain Street, Christie Street	RR 20 (Former Highway 20)	Olive Street	Grimsby
Niagara Regional Road 14 (South)	Smithville Road, Townline Road, Canborough Street, Griffin Street South	Haldimand County border (continues as Haldimand Road 14)	RR 20 (Former Highway 20)	Caistor Corners, Smithville
Niagara Regional Road 14 (Centre)	Station Street, Thirty Road	RR 20 (Former Highway 20)	RR 73 (Mud Street East)	Smithville	Originally included Thirty Road north of RR 73, Ridge Road East and Park Road to RR 81 (Main Street East) downloaded after 2002
Niagara Regional Road 14 (North)	Bartlett Avenue	RR 81 (Main Street East)	Lake Street	Grimsby
Niagara Regional Road 15 (Original)	Garrison Road	Highway 3 at RR 126 (Concession St)	RR 124 (Centre St)	Fort Erie	Part of original 1969 regional road grid, renumbered as eastern part of RR 3 sometime later[3]
Niagara Regional Road 15	Robinson Road	Haldimand County border (continues as Haldimand Road 15)	RR 63 (Canborough Road)	Dunnville (via Haldimand Road 15)	Originally numbered RR 563 in original 1969 regional road plan, renumbered later
Niagara Regional Road 16	Port Davidson Road	RR 63 (Canborough Road)	RR 14 (Twenty Road)	Port Davidson, Smithville	Downloaded after 2002
Niagara Regional Road 17	Bertie Street	Queen Elizabeth Way	Niagara Parkway	Fort Erie	Downloaded after 2002
Niagara Regional Road 18	Mountain Road, Ontario Street	RR 73 (Fly Road)	RR 39 (North Service Road)	Beamsville	Once extended south on Mountain Road and Beamsville Road to RR 69 (Twenty Mile Creek Road)
Niagara Regional Road 19	Gilmore Road	Queen Elizabeth Way	Niagara Parkway	Fort Erie
Niagara Regional Road 20 (West)	Highway 20, West Street, Griffin Street North. St. Catharines Street, Highway 20, Bismark Road, Canboro Road	Hamilton border (continues as Hamilton Road 20)	Intersection of Highway 58 and Highway 20	Smithville, Fonthill, Allanburg	Former Highway 20. Offers a scenic route in comparison to the Queen Elizabeth Way. Concurrent with Highway 58 between Highway 406 and Centre Street.
Niagara Regional Road 20 (East)	Lundy's Lane, Ferry Street	Intersection of Highway 20 and RR 70 (Thorold Townline Road)	RR 102 (Stanley Avenue)	Niagara Falls	Former part of RR 51, renumbered after downloading of Highway 20
Niagara Regional Road 21	Bowen Road, Philips Street	RR 116 (Stevensville Road)	Niagara Parkway	Stevensville, Fort Erie
Niagara Regional Road 22 (South)	Campden Road	RR 69 (Twenty Mile Creek Road)	RR 73 (Fly Road)	Campden	Downloaded after 2002
Niagara Regional Road 22 (North)	Merritt Road	RR 81 (King Street)	South Service Road	Lincoln	Downloaded before 2002
Niagara Regional Road 23	Forks Road	Highway 3 and RR 24 (Vineland Townline Road)	Highway 58	Originally extended to RR 68 (Kingsway) in Dain City
Niagara Regional Road 24	Vineland Townline Road, Victoria Avenue	Highway 3 and RR 23 (Forks Road)	RR 39 (North Service Road)	Chambers Corners, Vineland	Part of route between Highway 3 and RR 27 was formerly a portion of Highway 3A
Niagara Regional Road 25	Netherby Road	RR 84 (Doan's Ridge Road)	Niagara Parkway	Welland, Netherby, Snyder
Niagara Regional Road 26	Jordan Road	RR 81 (King Street)	RR 39 (North Service Road)	Jordan
Niagara Regional Road 27	Wellandport Road, "Regional Road 27" (formerly River Road), Riverside Drive, West Main Street, East Main Street, Shisler Road	RR 20 (Former Highway 20) and RR 65 (Bismark Road)	RR 98 (Montrose Road)	Bismark, Wellandport, Welland	Section between RR 24 (Vineland Townline Road) and RR 54 (Prince Charles Drive) was formerly a portion of Highway 3A. Section between RR 20 and RR 24 was formerly Highway 57
Niagara Regional Road 28 (South)	Balfour Road, Metler Road, Cream Street, Sixteen Road, Effingham Street	RR 63 (Canborough Road)	RR 69 (Pelham Road)	Fenwick, North Pelham	Downloaded after 2002
Niagara Regional Road 28 (North)	Fifth Street Louth	RR 69 (Pelham Road)	RR 81 (St. Paul Street West)	St. Catharines
Niagara Regional Road 29	Webber Road, Lincoln Street	RR 24 (Vineland Townline Road)	RR 54 (Prince Charles Drive)	Welland	Before 2002, continued east to RR 62 (Memorial Park Drive)
Niagara Regional Road 30	Lakeshore Road, Golf Course Road	RR 3 (Lakeshore Road at Station Road)	Highway 3	Burnaby	Downloaded after 2002
Niagara Regional Road 31	Broadway Avenue, Ontario Road	RR 27 (Riverside Drive)	RR 62 (Memorial Park Drive)	Welland	Downloaded after 2002
Niagara Regional Road 32	Effingham Street	RR 20 (Former Highway 20)	RR 28 (Sixteen Road at Effingham Street)	Ridgeville, Effingham	Downloaded after 2002
Niagara Regional Road 33	Humberstone Road	Feeder Road (Welland)	Highway 58, Highway 58A and RR 54 (Prince Charles Drive)	Welland
Niagara Regional Road 33 (Old)	Humberstone Road	Highway 58A	RR 60 (Southworth Street)	Welland	Downloaded after 2002
Niagara Regional Road 34	Seventh Street Louth	RR 81 (St. Paul Street West)	RR 87 (Lakeshore Road)	St. Catharines
Niagara Regional Road 35	Dunn Street	RR 104 (Dorchester Road)	RR 102 (Stanley Avenue)	Niagara Falls	Downloaded after 2002
Niagara Regional Road 36	South Pelham Road	RR 29 (Webber Road)	RR 41 (Woodlawn Road)	Welland, Fonthill	Originally extended to RR 20 via Pelham Street South (downloaded 2006)
Niagara Regional Road 37	Merritt Road	RR 50 (Merrittville Highway)	Highway 406	Welland	Former part of Highway 58 / Highway 406 concurrency
Niagara Regional Road 37 (Old)	Murray Street	RR 102 (Stanley Avenue)	Niagara Parkway	Niagara Falls	Downloaded after 2002
Niagara Regional Road 38	Martindale Road	RR 77 (Fourth Avenue) and RR 72 (Louth Street)	RR 87 (Lakeshore Road)	St. Catharines
Niagara Regional Road 39 (West)	North Service Road	Hamilton border	Olive Street	Grimsby
Niagara Regional Road 39 (East)	North Service Road	Grimsby-Lincoln border	Third Street Louth	Beamsville, St. Catharines
Niagara Regional Road 39 (Old)	Clifton Hill	RR 51 (Victoria Avenue)	Niagara Parkway	Niagara Falls	Downloaded after 2002
Niagara Regional Road 40 (West)	South Service Road	Hamilton border	RR 12 (Christie Street)	Grimsby
Niagara Regional Road 40 (Centre)	South Service Road	Nelles Road North	Twenty-first Street Louth	Grimsby, Beamsville, Jordan Harbour
Niagara Regional Road 40 (East)	Bayview Boulevard, South Service Road	Dead end at Jordan Harbour	RR 38 (Martindale Road)	Jordan Station, St. Catharines
Niagara Regional Road 40 (Old)	Niagara Street	RR 27 (West Main Street)	Then Highway 58 (Thorold Road at Niagara Street)	Welland	Renumbered to RR 50 after downloading of parts of Highway 58 in early 1970s
Niagara Regional Road 41 (Original)	Queen Street	RR 51 (Victoria Avenue)	Niagara Parkway	Niagara Falls (downtown)	Part of original 1969 regional road grid, downloaded sometime later[3]
Niagara Regional Road 41	Woodlawn Road	RR 36 (South Pelham Road)	Highway 406	Welland	Section Between Seaway Dr. and Highway 406 formerly unsigned Highway 7236
Niagara Regional Road 42	Ontario Street	RR 91 (Westchester Avenue) and RR 81 (St. Paul Street/St. Paul Street West)	RR 87 (Lakeshore Road) and RR 44 (Lakeport Road)	St. Catharines
Niagara Regional Road 43	Bridge Street	RR 102 (Stanley Avenue)	Niagara Parkway at the Whirlpool Rapids Bridge	Niagara Falls
Niagara Regional Road 44	Lake Street, Lakeport Road	Queen Elizabeth Way (Exit 46)	RR 87 (Lakeshore Road at Lakeport Road) and RR 42 (Ontario Street)	Port Dalhousie, St. Catharines	Downloaded after 2002
Niagara Regional Road 45	Creek Road	RR 63 (Canborough Road)	RR 27 (Riverside Road)	Wellandport
Niagara Regional Road 46	Geneva Street	Interchange with Highway 406 and RR 91 (Westchester Avenue)	RR 581 (Church Street)	St. Catharines	Originally extended north to RR 87 (Lakeshore Road)
Niagara Regional Road 47	Lyons Creek Road	RR 98 (Montrose Road)	RR 116 (Sodom Road)	Chippawa	Once extended west on Biggar Road to RR 84 (Moyer Road)
Niagara Regional Road 47 (West)	Carl Road	RR 84 (Moyer Road)	RR 98 (Montrose Road)	Crowland Twp.	Rerouted along Biggar Road before 1983
Niagara Regional Road 48	Niagara Street	Interchange with Highway 406, RR 46 (Geneva Street) and RR 91 (Westchester Avenue)	RR 87 (Lakeshore Road)	St. Catharines
Niagara Regional Road 49	McLeod Road, Marineland Parkway	Queen Elizabeth Way	RR 102 (Stanley Avenue)	Niagara Falls	Originally extended east to Portage Road then along Portage Road to RR 116 (Main Street); extended west to RR 70 (Thorold Townline Road)
Niagara Regional Road 50	Niagara Street, Merritville Highway, Glenridge Avenue	RR 27 (West Main Street)	RR 91 (Westchester Avenue)	Welland, Thorold, St. Catharines
Niagara Regional Road 51	Lundy's Lane, Ferry Street, Victoria Avenue	Highway 20 and RR 70 (Thorold Townline Road)	Niagara Parkway	Niagara Falls	Renumbered as RR 20 west of RR 102 (Stanley Avenue), downloaded remainder after 2002
Niagara Regional Road 52	Richmond Street, Ormond Street, Merritt Street, Hartzel Road, Bunting Road	RR 56 (Collier Road)	RR 87 (Lakeshore Road)	Thorold, Merritton, St. Catharines, Port Weller	Downloaded after 2002
Niagara Regional Road 53	Niagara Falls Road, Beaverdams Road	RR 553 (Allanburg Road)	RR 20 (Lundy's Lane)	Thorold South, Niagara Falls	Downloaded after 2002
Niagara Regional Road 54	Prince Charles Drive, Rice Road	Intersection of Highway 58, Highway 58A, and RR 33 (Humberstone Road)	RR 20 (Former Highway 20)	Welland, Fonthill	Section between RR 41 and RR 20 downloaded to local municipalities between 2002–2006
Niagara Regional Road 55 (Original)	Richmond Street	RR 56 (Collier Road)	(Then) Highway 58 (Ormond St)	Thorold	Original part of 1969 regional road grid, later renumbered as part of RR 52 when Highway 58 along Ormond St was downloaded to the region[3]
Niagara Regional Road 55	Niagara Stone Road Mississagua Street	RR 81 (Queenston Road) and RR 70 (Taylor Road)	RR 87 (Mary Street)	Homer, Virgil, Niagara-on-the-Lake	Former Highway 55
Niagara Regional Road 56	Collier Road, Burleigh Hill Drive	RR 67 (Beaverdams Road)	RR 89 (Glendale Avenue)	Thorold, St. Catharines	Downloaded in 2002, then uploaded back to the Region in 2007
Niagara Regional Road 57	Thorold Stone Road	RR 70 (Thorold Townline Road) east of Highway 58	RR 102 (Stanley Avenue)	Thorold, Niagara Falls
Niagara Regional Road 58	Homer Road	RR 89 (Glendale Avenue)	RR 70 (Taylor Road)	Niagara College Glendale Campus	Formerly known as Coon Road
Niagara Regional Road 59	Morrison Street	RR 104 (Dorchester Avenue)	Zimmerman Avenue	Niagara Falls	Downloaded after 2002
Niagara Regional Road 60	Southworth Street, Crowland Avenue	RR 33 (Humberstone Road)	RR 27 (East Main Street)	Welland	Downloaded after 2002
Niagara Regional Road 61	Townline Road, Portage Rd.	RR 100 (Four Mile Creek Road)	Niagara Parkway	St. David's, Queenston	Extended onto Portage Rd. After the removal of the 405 and Niagara Parkway interchange in 2006.
Niagara Regional Road 62	Memorial Park Drive, Wellington Street	RR 31 (Ontario Road)	RR 27 (East Main Street)	Welland	Downloaded after 2002
Niagara Regional Road 63 (West)	Canborough Road	Haldimand County border (continues as Haldimand Road 63)	RR 24 (Vineland Townline Road)	Wellandport, Fenwick, Ridgeville, Fonthill	Originally extended east to RR 36 (Pelham Street South) via Church Hill
Niagara Regional Road 63 (Centre)	Port Robinson Road	RR 36 (Pelham Street South)	Highway 406	Fonthill, Port Robinson	Downloaded after 2002. Originally extended across Bridge 12 of the Welland Canal until 1974 when bridge was destroyed.
Niagara Regional Road 63 (East)	Chippawa Creek Road	RR 82 (Allanport Road)	RR 98 (Montrose Road)	Port Robinson	Originally extended west across Bridge 12 of the Welland Canal until 1974 when bridge was destroyed.
Niagara Regional Road 64	Steele Street, Westside Road	RR 66 (Sugarloaf Street)	Highway 3 at Highway 58	Port Colborne	Downloaded after 2002
Niagara Regional Road 65	Bismark Road	Hamilton border (continues as Hamilton Road 65)	Intersection of RR 20 (Former Highway 20) and RR 27 (Former Highway 57)	Bismark
Niagara Regional Road 66	Sugarloaf Street, King Street	RR 64 (Steele Street)	RR 3 (Main Street West)	Port Colborne	Downloaded after 2002
Niagara Regional Road 67	Beverdams Road, Pine Street	RR 50 (Merrittville Highway)	Highway 58	Thorold	Originally extended north to RR 52 (Richmond Street)
Niagara Regional Road 68	King Street	RR 527 (Division Street)	RR 27 (East Main Street)	Welland	Originally included King Street down to RR 31 (Ontario Street), plus Canal Bank Street & Kingsway from RR 31 to RR 23 (Forks Road). Remainder downloaded after 2002.
Niagara Regional Road 68 (South)	Clarence Street, Welland Street	RR 64 (Steele Street)	RR 3 (Main Street East)	Port Colborne	Downloaded after 2002. Part of road currently part of RR 3A.
Niagara Regional Road 69	Twenty Mile Creek Road, Twenty Road, Pelham Road,	RR 20 (Former Highway 20)	Intersection with RR 89 (Glendale Avenue)	St. Ann's, St. Catharines	Originally extended east to RR 81 (St. Paul Street West)
Niagara Regional Road 70	Taylor Road, Thorold Townline Road	RR 63 (Chippawa Creek Road)	Intersection of RR 81 (Queenston Road) and RR 55 (Niagara Stone Road)	Homer
Niagara Regional Road 71	Sir Isaac Brock Way (formerly St. David's Road)[4]	RR 50 (Merrittville Highway at Glenridge Avenue)	Highway 406	Brock University area of St. Catharines	Originally extended east to RR 52 (Ormond Street)
Niagara Regional Road 72	Louth Street	RR 69 (Pelham Road)	RR 77 (Fourth Avenue) and RR 38 (Martindale Road)	St. Catharines
Niagara Regional Road 73	Mud Street, Fly Road	Hamilton border (once continued as Hamilton-Wentworth Road 411)	RR 24 (Victoria Avenue)	Grassie, Grimsby Centre, Campden
Niagara Regional Road 75	Twenty-First Street Louth, Sixth Avenue Louth	RR 669 (Eighth Avenue Louth)	RR 24 (Victoria Avenue)	Balls Falls	Downloaded before 2006
Niagara Regional Road 77	Fourth Avenue, Welland Avenue	RR 26 (Jordan Road)	Queen Elizabeth Way	Jordan, St. Catharines	Originally extended east to RR 52 (Bunting Road)
Niagara Regional Road 78	Chippawa Road, Humberstone Concession 2	RR 3 (Main Street)	RR 68 (Welland Street)	Port Colborne	Part of original 1969 regional road grid, downloaded sometime later[3]
Niagara Regional Road 79	Ridge Road	Hamilton border (once continued as Hamilton-Wentworth Road 425)	RR 14 (Park Road)	Grimsby	Downloaded after 2002
Niagara Regional Road 80	Elm Street	RR 66 (Sugarloaf Street)	RR 23 (Forks Road)	Port Colborne, Dain City	Downloaded after 2002
Niagara Regional Road 81	Main Street East, Main Street West, King Street, St. Paul Street, Queenston Street, York Road	Hamilton Boundary (Continues as Hamilton Road 8)	Niagara Parkway	Grimsby, Beamsville, Vineland, Jordan, St. Catharines, Homer, St. David's, Queenston	Former Highway 8 & Highway 8A. Includes part of original QEW alignment built before the Garden City Skyway was constructed. Portion between Regional Road 42 and Regional Road 91 downloaded after 2002.
Niagara Regional Road 82	Allanport Road	RR 63 (Chippawa Creek Road)	Highway 20, Highway 58 and RR 20 (Lundy's Lane)	Allanburg, Port Robinson
Niagara Regional Road 83	Carlton Street, Carlton Road	RR 42 (Ontario Street)	RR 55 (Niagara Stone Road)	St Catharines
Niagara Regional Road 84	Miller Road, Doan's Ridge Road, Moyer Road	Highway 3	RR 63 (Chippawa Creek Road)	Gasline, Cook's Mills	Originally extended south to RR 5 (Killaly Street East).
Niagara Regional Road 85	East-West Line	RR 87 (Lakeshore Road)	Niagara Parkway	Virgil, Niagara-on-the-Lake	Downloaded after 2002
Niagara Regional Road 86	Stewart Road	RR 55 (Niagara Stone Road)	RR 87 (Lakeshore Road)	Homer
Niagara Regional Road 87	Lakeshore Road, Main Street, Lakeport Road, Lakeshore Road, Mary Street, King Street, Picton Street, Queen's Parade	RR 34 (Seventh Street Louth)	Niagara Parkway	Port Dalhousie, St. Catharines, Port Weller, Niagara-on-the-Lake
Niagara Regional Road 88	Seaway Haulage Road	RR 83 (Carlton Road)	Read Road	St. Catharines	Only public open section of a former cargo haulage route to the east of the Welland Canal.
Niagara Regional Road 89	Glendale Avenue	RR 69 (Pelham Road) and RR 72 (Louth Street)	Queen Elizabeth Way, RR 81 (York Road)	St. Catharines, Merritton
Niagara Regional Road 90	Airport Road	RR 81 (York Road)	RR 55 (Niagara Stone Road)	Niagara-on-the-Lake	Serves St. Catharines/Niagara District Airport
Niagara Regional Road 91	Westchester Avenue	RR 81 (St. Paul Street)	RR 81 (Queenston Road)	St. Catharines	Originally extended to RR 52 (Bunting Road) via Eastchester Avenue
Niagara Regional Road 93	Scott Street	RR 44 (Lake Street)	RR 52 (Bunting Road)	St. Catharines	Downloaded after 2002.
Niagara Regional Road 95	Linwell Road	RR 42 (Ontario Street)	RR 52 (Bunting Road)	St. Catharines	Downloaded after 2002.
Niagara Regional Road 98	Wilhelm Road, Forkes Road, Schihl Road, Montrose Road	Highway 3	RR 101 (Mountain Road)	Niagara Falls	Originally extended south on Empire Rd. to RR1 (Beach Rd.) before 2002 downloading
Niagara Regional Road 99	Quaker Road	RR 36 (Pelham Street South)	RR 50 (Niagara Street)	Fonthill, Welland	Downloaded after 2002
Niagara Regional Road 100	Four Mile Creek Road	RR 101 (Mountain Road)	RR 55 (Niagara Stone Road)	Virgil, St. David's, Niagara Falls	Former Highway 8. Originally extended south to RR 49 (McLeod Road) and north to RR 87 (Lakeshore Road)
Niagara Regional Road 101	Mountain Road	RR 70 (Taylor Road)	RR 102 (Stanley Avenue)	Niagara Falls
Niagara Regional Road 102	Stanley Avenue	RR 47 (Lyons Creek Road)	RR 61 (Townline Road) at Highway 405	Niagara Falls	Passes by Marineland
Niagara Regional Road 104	Dorchester Road	RR 49 (McLeod Road)	RR 101 (Mountain Road)	Niagara Falls	Downloaded after 2002
Niagara Regional Road 106	Niagara Concenssion 7	RR 81 (York Road)	RR 55 (Niagara Stone Road)	Niagara-on-the-Lake	Downloaded after 2002
Niagara Regional Road 108	Portage Road, Main Street	RR 20 (Ferry Street)	RR 100 (Portage Road at Drummond Street) and RR 57 (Thorold Stone Road)	Niagara Falls	Downloaded after 2002
Niagara Regional Road 112	Point Abino Road	Michener Road	Highway 3		Originally extended north to RR 25 (Netherby Road) and south to RR 11 (Erie Road); remainder downloaded in 2012[2]
Niagara Regional Road 114	Niagara Concession 1 Road	RR 81 (York Road)	RR 85 (East-West Line)	Queenston, Niagara-on-the-Lake	Downloaded after 2002
Niagara Regional Road 116	Gorham Road, Stevensville Road, Sodom Road	RR 1 (Dominion Road)	RR 47 (Lyons Creek Road)	Ridgeway, Stevensville, Chippawa	Originally extended south to RR 11 (Erie Road) and north along Main Street to Niagara Parkway at RR 49 (Marineland Parkway); portion between Farr Avenue and Dominion Road downloaded in 2012[2]
Niagara Regional Road 118	Pettit Road	Highway 3	RR 19 (Gilmore Road) at Queen Elizabeth Way	Fort Erie	Downloaded after 2002
Niagara Regional Road 118 (Old)	Graeber Avenue, Ridge Road South, Thunder Bay Road, Prospect Point Road	RR 116 (Ridgeway Road)	RR 1 (Dominion Road)	Crystal Beach, Ridgeway	Downloaded before 2002
Niagara Regional Road 120	Stonemill Road, Ridgemount Road	RR 1 (Dominion Road)	RR 21 (Bowen Road)	Fort Erie	Downloaded after 2002
Niagara Regional Road 122	Thompson Road, Helena Street	RR 1 (Dominion Road)	RR 21 (Bowen Road at Phipps Street)	Fort Erie
Niagara Regional Road 124	Central Avenue	Niagara Parkway south of RR 3 (Garrison Road)	Niagara Parkway north of RR 21 (Phipps Street)	Fort Erie	First exit (Toronto-bound on Queen Elizabeth Way) / Last Exit (Fort Erie/Buffalo-bound)
Niagara Regional Road 126	Concession Road	RR 3 (Garrison Road)	RR 19 (Gilmore Road)	Fort Erie	Downloaded after 2002
Niagara Regional Road 140	Elizabeth Street	RR 5 (Killaly Street East)	Highway 3 at Highway 140	Port Colborne	Southern extension of Highway 140. Downloaded after 2002
Niagara Regional Road 216	Sixteen Road	RR 24 (Vineland Townline Road)	RR 28 (Cream Street at Sixteen Road)	North Pelham	Downloaded after 2002. Spur route of RR 28.
Niagara Regional Road 420	Roberts Street, Newman Hill, Falls Avenue	Highway 420 and RR 102 (Stanley Avenue)	Rainbow Bridge	Niagara Falls	Former part of Highway 420, connecting the QEW to the Rainbow Bridge
Niagara Regional Road 503	Mellanby Avenue	RR 3 (Main Street)	RR 68 (Welland Street)	Port Colborne	Renumbered as part of RR 3A after 2002.
Niagara Regional Road 512	Livingston Avenue	RR 10 (Casablanca Boulevard)	RR 81 (Main Street)	Grimsby	Spur of RR 81
Niagara Regional Road 514	Thirty Road	RR 14 (Thirty Road at Ridge Road)	RR 81 (King Street)	Beamsville	Spur of RR 14. Downloaded after 2002
Niagara Regional Road 525	Townline Tunnel Road	Highway 58A	RR 25 (Netherby Road) east of RR 84 (Doan's Ridge Road)	Welland	Spur of RR 25
Niagara Regional Road 527	Division Street, Burger Street	RR 27 (West Main Street) and RR 50 (Niagara Street)	RR 27 (East Main Street)	Welland	Eastbound portion of one-way pair (along with RR 27) through downtown Welland
Niagara Regional Road 529	River Road, Effingham Street	Welland-Port Colborne Airport	RR 29 (Webber Road)	Welland	Spur of RR 29. Connects to Niagara Central Airport
Niagara Regional Road 538	Thorold Road	RR 36 (South Pelham Road)	RR 50 (Niagara Street)	Welland	Downloaded after 2002.
Niagara Regional Road 549	Main Street, Bridgewater Street	RR 49 (Portage Road) at RR 116 (Main Street)	Niagara Parkway	Chippawa	One-way streets. Main St. northbound; Bridgewater St. southbound. Later renumbered as an extension of RR 116?
Niagara Regional Road 553	Allanburg Road	Highway 58	RR 53 (Niagara Falls Road)	Thorold South	Spur of RR 53. Downloaded after 2002
Niagara Regional Road 569	St. Ann's Road	RR 20 (Former Highway 20)	RR 69 (Twenty Mile Creek Road)	St. Ann's	Spur of RR 69. Downloaded after 2002
Niagara Regional Road 575	Glen Road, Nineteenth Street Louth	RR 75 (Twenty-First Street Louth)	RR 81 (King Street)	Balls Falls, Jordan	Spur of RR 75. Downloaded before 2002
Niagara Regional Road 581	Church Street	RR 48 (Geneva Street)	RR 46 (Niagara Street)	St. Catharines	Westbound portion of one-way pair (along with RR 81) through downtown St. Catharines. Originally extended west along Church Street and King Street to RR 42 (Ontario Street).
Niagara Regional Road 612	Ontario Street	RR 81 (Main Street)	Queen Elizabeth Way	Grimsby	Spur of RR 14, originally part of 1969 regional road plan, downloaded later[3]
Niagara Regional Road 614	Townline Road	RR 14 (Townline Road at Canborough Street)	RR 20 (Former Highway 20)	Smithville	Spur of RR 14
Niagara Regional Road 627	O'Reilly's Road	RR 27 (Riverside Road)	RR 529 (River Road)	Welland	Spur of RR 27. Connects to Niagara Central Airport
Niagara Regional Road 669	Eighth Avenue Louth	RR 24 (Victoria Avenue)	RR 69 (Twenty Road)		Spur of RR 69
Niagara Regional Road 675	Twenty-first Street Louth	RR 75 (Twenty-first Street Louth at Sixth Avenue Louth)	RR 575 (Glen Road)	Ball's Falls	Short spur route of RR 75. Downloaded before 2002
Niagara Regional Road 681	King Street, William Street	RR 42 (Ontario Street)	St. Paul Street	St. Catharines	Northbound portion of one-way pair (along with RR 42) through downtown St. Catharines.
Niagara Regional Road 714	Park Road	RR 73 (Mud Street)	RR 79 (Ridge Road East) at RR 14 (Park Road)	Grimsby	Spur of RR 14. Downloaded after 2002
Niagara Regional Road 801	Brookfield Road	Highway 3 (Garrison Road)	RR 25 (Netherby Road)	Gasline, Port Colborne	Part of original 1969 regional road grid, downloaded sometime later[3]
Niagara Regional Road 802	Point Abino Road	Highway 3 (Garrison Road)	RR 25 (Netherby Road)		Part of original 1969 regional road grid, renumbered as part of RR 112 later[3]
Niagara Regional Road 803	Ridge Road	Highway 140	RR 84 (Doan's Ridge Road)	Welland, Cooks Mills	Part of original 1969 regional road grid, downloaded sometime later[3]
Former Route