399
These are usually highways connecting from a "parent" 1-99 highway to minor communities near the "parent" route.
- Highway 301 -- Highway 1 to Buffalo Pound
- Highway 302 -- North Saskatchewan River near Prince Albert
- Highway 303 -- Highway 16 near Lloydminster to Highway 3 at Turtleford
- Highway 304 -- Highway 4 near Meadow Lake to Highway 26 near Makwa Lake
- Highway 305 -- Highway 16 at Langham to Highway 11 at Warman
- Highway 306 -- Highway 6 to Highway 35
- Highway 307 -- Highway 7 to Highway 21 near Coleville
- Highway 308 -- Rocanville to Manitoba border
- Highway 309 -- Highway 9 to Rhein
- Highway 310 -- Balcarres to Highway 5 near Wadena
- Highway 312 -- Highway 12 near Hepburn to Highway 2 at Wakaw
- Highway 316 -- Highway 5 to Highway 16 at Clavet
- Highway 317 -- Highway 7 to Highway 31
- Highway 318 -- Carnduff to Alida
- Highway 320 -- Highway 2 to Highway 20
- Highway 321 -- Highway 21 to Alberta border near Burstall
- Highway 322 -- Highway 20 near Craven to Rowan's Ravine
- Highway 324 -- Highway 376 to Mayfair
- Highway 332 -- Highway 32 to Hazlet, intersecting with Highway 37
- Highway 334 -- Highway 13 to Highway 6
- Highway 335 -- Highway 6 to Highway 23 near Zenon Park
- Highway 339 -- Highway 39 to Avonlea
- Highway 340 -- Radisson to Hafford
- Highway 342 -- Highway 44 near Eston to Highway 42 near Lucky Lake
- Highway 343 -- Highway 4 to Simmie
- Highway 349 -- Highway 6 at Naicam to Highway 38 near Greenwater Lake
- Highway 350 -- Torquay to US border
- Highway 354 -- Highway 11 near Bethune to Highway 733
- Highway 355 -- Highway 55 at Meath Park to Highway 2
- Highway 357 -- Highway 8 to Highway 369
- Highway 358 -- Highway 13 to Wood Mountain
- Highway 361 -- Highway 47 to Manitoba border
- Highway 362 -- Highway 1 to Highway 46
- Highway 363 -- Highway 4 near Swift Current to Highway 2 near Moose Jaw
- Highway 364 -- Balgonie to Highway 10 via Edenwold
- Highway 365 -- Highway 16 to Watrous
- Highway 367 -- Highway 42 to Highway 19 near Douglas Provincial Park
- Highway 368 -- Highway 5 at Muenster to Highway 3 near Melfort
- Highway 369 -- Highway 10 to Highway 5
- Highway 371 -- Highway 21 at Fox Valley to Alberta border
- Highway 373 -- Highway 42 to Highway 45
- Highway 374 -- Highway 21 to Highway 14 near Wilkie
- Highway 375 -- Highway 12 to Hepburn
- Highway 376 -- Highway 14 near Asquith to Highway 378 near Redfield
- Highway 377 -- runs from Highway 6 near Ceylon to Highway 28 near Radville and Riverside. Highway 377 is about 23 km (14 mi.) long. It passes near the Ceylon Regional Park.
- Highway 378 -- Highway 4 near North Battleford to Highway 3 at Spiritwood
- Highway 379 -- Highway 4 to McMahon
- Highway 381 -- Highway 80 to Manitoba border
- Highway 394 -- Highway 16 to Highway 316
- Highway 396 -- Highway 668 to Highway 16 near Guernsey
- Highway 397 -- Highway 16 to Allan
Read more about this topic: List Of Saskatchewan Provincial Highways, 300