List of former New Brunswick provincial highways
Until 1965, New Brunswick highways were numbered consecutively from 1 to 42. A massive renumbering led to the current three-tier system. Some changes have taken place to highway numbering since then, and the following numbers are no longer used:
- Route 2A—2 sections:
- *Fredericton-Saint John area—Fredericton to Saint John via Broad Road; Designated as Route 7.
- *Moncton area—Salisbury to Sackville, via Downtown Moncton, after Moncton Bypass was built in the early 1960s; Designated as Route 6 in 1965, then Route 106 in 1984.
- Route 2B
- Route 5 —Original route now designated as Route 555; Route 5 realigned and renumbered as Route 95.
- Route 6 —Renumbered Route 555; now Route 110
- Route 6 (1965–1984)—Designated as Route 106 in 1984.
- Route 7 —renumbered Route 19, now Route 190
- Route 9 —Fredericton to Sussex, later part of Route 2; now part of Route 105 and Route 10.
- Route 9 —Route 1 to Quispamsis; now part of Route 100.
- Route 9A
- Route 12 —Newcastle to Chatham ; this section was absorbed as part of route 126 in 1965.
- New Brunswick [Route 12 (1965-1984)|Route 12 (1965–1976)]—Fredericton – Lincoln; now designated as part of route 102.
- Route 13 —Pokemouche to Miscou Island; Now designated as Route 113.
- Route 14 (1927–1965)—Now designated as Route 114
- Route 14 (1965–1984)—St-Jacques to St-Basile via Edmundston downtown; now designated as part of route 144.
- Route 18—Grand Falls to US Border near Hamlin, ME; now designated as route 218.
- Route 19 —Limestone to US Border; now designated as route 375.
- Route 19—Perth-Andover to US Border; now designated as route 190.
- Route 20—Edmundston to Quebec border, by Lac Baker; now designated as route 120.
- Route 20A—Caron Brook to Connors via Clair; now designated as route 161 and route 205.
- Route 21—Fredericton to Grand Falls; now designated as route 105.
- Route 22—Grand Falls to north of Perth; now designated as route 108.
- Route 23—Three Brooks to Nictau; now designated as route 108.
- Route 24—Hartland to Mouth of Keswick; now designated as route 104.
- Route 25—Fredericton to Boiestown; now designated as routes 620 and 625.
- Route 25A—Stanley to Nashwaak Bridge; now designated as part of route 107.
- Route 26—Maine to Meductic; now designated as part of route 122.
- Route 27—Andersonville to St. Croix; now designated as route 630.
- Route 28—Welsford to Fredericton; now designated as route 101.
- Route 29—Saint John to Sussex; now designated as route 111.
- Route 30—Coles Island to Salisbury; now designated as route 112.
- Route 31—Moncton to Cocagne via St-Antoine; now designated as route 115.
- Route 32—Parts of it now designated as route 132.
- Route 33—Moncton to Miramichi; now designated as route 126.
- Route 34—Chipman to Rexton; now designated as route 116.
- Route 35—Now designated as route 135.
- Route 36
- Route 37—Now designated as route 440.
- Route 38—Dalhousie to Campbellton, via Eel River Crossing, Balmoral and Val D'Amours; now designated as Route 275, but extended through St-Arthur via former Route 270.
- Route 39
- Route 40—Now designated as route 124.
- Route 41—Now designated as route 127.
- Route 42—Now designated as route 560.
- Route 96 – Royree Road – Route 3 in St. Stephen, New Brunswick
- Route 106 — Hartland – Perth-Andover
- Route 106 — Oromocto – Route 7 at Geary
- Route 110
- Route 125—Perth-Andover – Grand Falls
- Route 142—Saint John – Grand Bay
- Route 191—Bathurst – Janeville
- Route 192
- Route 270—Campbellton – Val d'Amour – Route 275
- Route 393—Plaster Rock – Hazeldean
- Route 520
- Route 545
- Route 555 —Florenceville-Bristol – Maine
- Route 650
- Route 660—Oromocto – Geary – Blissville
- Route 685
- Route 720—Route 725 to Route 170 in Saint Stephen via Church Street
- Route 765—Lawrence Station – Waweig
- Route 810
- Route 930—Upper Sackville – Haute Aboujagane