AARoads:Canada/Prince Edward Island/Notes on numbering and notability

The network is way too dense for every route to be notable. Three digit routes are essentially numbered by county: Prince County 1, Queens County 2, and Kings County 3.

Two-digit routes are:

• Route 1, Borden to Wood Islands
• Route 1A, Albany to Travellers Rest, formerly also to St. Eleanors via Route 11
• Route 1A, Cross Roads to Mount Mellick
• Route 2, Tignish to Souris
• Route 3, Cherry Valley to Georgetown
• Route 4, Wood Islands to Dingwells Mills
• Route 5, Mount Albion to Cardigan; used to extend to Dingwells Mills via Route 4
• Route 6, Kensington to Bedford
• Route 7, Milton to Oyster Bed Bridge
• Route 8, Ross Corner to New London
• Route 9, Long Creek to Brookfield
• Route 10, Central Bedeque to Tryon
• Route 11, Inverness to Reads Corner and St. Eleanors
• Route 12, North Cape to Miscouche
• Route 13, Crapaud to Cavendish
• Route 14, North Cape to Carleton
• Route 15, Charlottetown to Brackley Beach
• Route 16, St. Peters to Souris
• Route 16A, Lakeville to South Lake
• Route 17, Murray River to Montague
• Route 17A, Cambridge to Sturgeon
• Route 18, High Bank to Murray River
• Route 18A, White Sands to Murray Harbour
• Route 19, DeSable to Cornwall
• Route 19A, Canoe Cove to New Dominion
• Route 20, Kensington to New London
• Route 21, Southport to St. Patrick Road
• Route 22, Mount Stewart to Victoria Cross
• Route 23, Orwell to Wood Islands
• Route 24, Vernon River to Murray River
• Route 25, Marshfield to Stanhope
• Route 25A, Covehead Road to West Covehead

Three-digit routes that look notable are:

• Route 107, Reads Corner to Clinton: collector southwest of Norboro
• Route 121, Summerside to Sherbrooke: thick line on the official map
• Route 122, St. Nicholas to Southwest Lot 16: collector
• Route 124, Abram-Village to Wellington: thick line on the official map; collector
• Route 131, Wellington to Birch Hill: collector north of MacDougall
• Route 133, Mount Pleasant to Ellerslie: thick line on the official map
• Route 142, West Cape to Roxbury: thick line on the official map; very thick (arterial) beyond O'Leary (to Woodstock)
• Route 150, Campbellton to Alberton: arterial and collector east of Elmsdale
• Route 152, Ebbsfleet to Northport: thick line on the official map; partly collector
• Route 153, Montrose to Christopher Cross: thick line on the official map (to Tignish); collector
• Route 167, MacDougall to Tyne Valley: collector
• Route 178, Northam to Tyne Valley: thick line on the official map, along with a bit of Route 132 from Route 2
• Route 225, Middleton to Warren Grove: thick line on the official map, along with a bit of Route 248 to North River; both collectors
• Route 258, New Glasgow to Rusticoville: thick line on the official map; collector
• Route 313, Cardigan to Greenwich: thick line on the official map; collector south of Cardross
• Route 315, Wood Islands to Montague: thick line on the official map; collector
• Route 321, Roseneath to Morell: collector north of Cardross

Arterials and collectors are listed at [1].

Other notable roads are:

• Charlottetown Perimeter Highway, as well as Upton Drive and Riverside Drive connecting each end to Route 1: arterial

The following one- and two-digit routes are local (not arterials or collectors):

• Route 1A (east segment)
• Route 5
• Route 8 north of Summerfield
• Route 9
• Route 10
• Route 11 west of Miscouche (partly unpaved)
• Route 12: north of Alberton, Portage to Ellerslie, Tyne Valley to MacDougal, Southwest Lot 16 to Miscouche
• Route 14 (partly unpaved?)
• Route 16 north/west of South Lake
• Route 17
• Route 17A
• Route 18A
• Route 19: south/west of New Dominion
• Route 19A
• Route 20: east of Malpeque
• Route 21: east of Pisquid (partly unpaved)
• Route 22: south of New Perth
• Route 25A

There are also a few scenic heritage roads.