Wikipedia:WikiProject Canada Roads/Saskatchewan/1920s numbers
- Highway 1, Montana (towards Malta) to Meadow Lake
- Now Highway 4, Highway 658, Highway 4
- Highway 4 was extended north
- Now Highway 4, Highway 658, Highway 4
- Highway 2, Montana to near Montreal Lake
- Now unnumbered (straight south from Rockglen), Highway 2, Highway 733, Highway 2
- Extended north
- Now unnumbered (straight south from Rockglen), Highway 2, Highway 733, Highway 2
- Highway 3, Big River to Prairie River
- Now Highway 55, Highway 3
- Extended west from Shellbrook and east
- Now Highway 55, Highway 3
- Highway 4, Alberta (towards Medicine Hat) to Manitoba (towards Virden)
- Now Highway 1, unnumbered, Highway 724, Highway 614, Highway 1, Highway 6, Highway 46, Highway 1
- Highway 5, Alberta (towards Edmonton) to Manitoba (towards Roblin)
- Now Highway 16, Highway 305, Highway 784, unnumbered, Highway 27, unnumbered, Highway 5, Highway 369, unnumbered
- Rerouted via Saskatoon and became Highway 16 west
- Now Highway 16, Highway 305, Highway 784, unnumbered, Highway 27, unnumbered, Highway 5, Highway 369, unnumbered
- Highway 6, Pangman to Melfort
- Now Highway 6
- Extended south and north
- Now Highway 6
- Highway 7, Alberta (towards Calgary) to Grandora
- Now Highway 7, Highway 672
- Highway 8, Moosomin to Manitoba (towards Swan River)
- Now Highway 8, Highway 49
- Extended south and north
- Now Highway 8, Highway 49
- Highway 9, North Dakota (towards Minot) to Preeceville
- Now Highway 9
- Extended north
- Now Highway 9
- Highway 10, Fort Qu'Appelle to Manitoba
- Now Highway 10, Highway 47, Highway 52, Highway 10, Highway 8, Highway 381
- Extended west
- Now Highway 10, Highway 47, Highway 52, Highway 10, Highway 8, Highway 381
- Highway 11, Lumsden to Saskatoon
- Now Highway 11, Highway 354, Highway 733, Highway 11
- Extended north
- Now Highway 11, Highway 354, Highway 733, Highway 11
- Highway 12, Saskatoon to Prince Albert
- Now Highway 12, Highway 785, Highway 11
- Almost completely realigned
- Now Highway 12, Highway 785, Highway 11
- Highway 13, Alberta (towards Lethbridge) to Manitoba (towards Reston)
- Now Highway 13
- Highway 14, Macklin to Manitoba (towards Russell)
- Now Highway 14, Highway 16
- Extended west and became Highway 16 east of Saskatoon
- Now Highway 14, Highway 16
- Highway 15, Watrous to Bangor
- Now Highway 15
- Extended west and east
- Now Highway 15
- Highway 16, Regina to Manitoba (towards Virden)
- Highway 17, where?
- Highway 18, Trossachs to Manitoba
- Now Highway 28, Highway 18
- Extended west
- Now Highway 28, Highway 18
- Highway 19, Montana to west of Hanley
- Now unnumbered (south from Mankota), Highway 19, Highway 1, Highway 644, Highway 42, Highway 19, unnumbered
- Highway 20, Regina to Humboldt
- Now Highway 6, Highway 734, Highway 641, Highway 20
- Extended north
- Now Highway 6, Highway 734, Highway 641, Highway 20
- Highway 21, Robsart to north of Onion Lake
- Now Highway 21, Highway 741, Highway 635, unnumbered (along the province line), Highway 44, unnumbered (along the line), Highway 17, unnumbered
- Extended south and totally realigned north of Leader
- Now Highway 21, Highway 741, Highway 635, unnumbered (along the province line), Highway 44, unnumbered (along the line), Highway 17, unnumbered
- Highway 22, Bulyea to Manitoba
- Now Highway 22, Highway 8, Highway 600, unnumbered
- Highway 23, where?
- Highway 24, where?
- Highway 25, where?
- Highway 26, Prince to St. Walburg
- Now Highway 26
- Extended north
- Now Highway 26
- Highway 27, Saskatoon to Aberdeen
- Now Highway 41
- Extended east and truncated on the west
- Now Highway 41
- Highway 28, where?
- Highway 29, Plenty to Battleford
- Now Highway 31, Highway 657, Highway 14, Highway 29
- Truncated on the south
- Now Highway 31, Highway 657, Highway 14, Highway 29
- Highway 30, Lensford to Kerrobert
- Now Highway 649, Highway 21
- Now exists further east
- Now Highway 649, Highway 21
- Highway 31, Macklin to Hawarden
- Now Highway 31, Highway 4, Highway 15
- Truncated on the east
- Now Highway 31, Highway 4, Highway 15
- Highway 32, Leader to Swift Current
- Now Highway 32
- Highway 33, Regina to Stoughton
- Now Highway 13
- Highway 34, Montana (towards Scobey) to Rouleau
- Now Highway 34, Highway 624, Highway 13, Highway 623, unnumbered
- Truncated on the north
- Now Highway 34, Highway 624, Highway 13, Highway 623, unnumbered
- Highway 35, Weyburn to Francis and Qu'Appelle to north of Nipawin
- Now Highway 35
- Connected and extended south
- Now Highway 35
- Highway 36, where?
- Highway 37, Montana (towards Harlem) to Cabri
- Now Highway 37
- Highway 38, where?
- Highway 39, Moose Jaw to North Dakota (towards Minot)
- Now Highway 39
- Highway 40, Alberta to Shellbrook
- Now Highway 40
- Highway 41, Alberta (towards Red Deer) to Onward
- Now Highway 51
- Extended east (as Hwy 51)
- Now Highway 51
- Highway 42, Dinsmore to Tuxford
- Now Highway 42, Highway 646, Highway 737, Highway 42
- Extended west
- Now Highway 42, Highway 646, Highway 737, Highway 42
- Highway 43, west of Neville to Mossbank
- Now Highway 43
- Highway 44, Alsask to Outlook
- Now Highway 44, Highway 45
- Extended east
- Now Highway 44, Highway 45
- Highway 45, North Dakota to Torquay
- Now Highway 350 (Former Hwy 50)
- Highway 46, Fort to Biggar
- Now unnumbered, Highway 51
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