# 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 (see below), then Route 106 in 1984.
* Route 2B
* Route 5 (1927–1981)—Original route now designated as Route 555; Route 5 realigned and renumbered as Route 95.
* Route 6 (1927–1965)—Renumbered Route 555; now Route 110
* Route 6 (1965–1984)—Designated as Route 106 in 1984.
* Route 7 (1927–1965)—renumbered Route 19, now Route 190
* Route 9 (1927–1965)—Fredericton to Sussex, later part of Route 2; now part of Route 105 and Route 10.
* Route 9 (1965-197?)—Route 1 to Quispamsis; now part of Route 100.
* Route 9A
* Route 12 (1927–1965)—Newcastle to Chatham (Miramichi region); this section was absorbed as part of route 126 in 1965.
* Route 12 (1965–1976)—Fredericton – Lincoln; now designated as part of route 102.
* Route 13 (1927–1965) —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 (1927–1965)—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 (Forest City) 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 (unsigned) – Royree Road (2 km west of New Brunswick Route 720) – Route 3 in St. Stephen, New Brunswick (via St. Stephen Drive; now entirely absorbed by Route 1)
* Route 106 (1965–1968)— Hartland – Perth-Andover (Now part of Routes 103 and 130)
* Route 106 (1976–1984)— Oromocto – Route 7 at Geary (Became part of Route 660; now unnumbered)
* Route 110 (1965)
* Route 125—Perth-Andover – Grand Falls (Now part of Route 105)
* Route 142—Saint John – Grand Bay (via Westfield Road)
* Route 191—Bathurst – Janeville (via Bridge Street/Cape Road)
* Route 192
* Route 270—Campbellton – Val d'Amour – Route 275 (via Val d'Amour Road)
* Route 393—Plaster Rock – Hazeldean (Now part of Route 108)
* Route 520
* Route 545
* Route 555 (1965–1976)—Florenceville-Bristol – Maine (Now Route 110)
* Route 650
* Route 660—Oromocto – Geary – Blissville (via Broad Road/Branch Road)
* Route 685
* Route 720—Route 725 to Route 170 in Saint Stephen via Church Street (Now part of Route 725)
* Route 765—Lawrence Station – Waweig (Now part of Route 127)
* Route 810
* Route 930—Upper Sackville – Haute Aboujagane (via Upper Aboujagane Road)