List of former New Brunswick provincial highways

• 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 —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.
• Route 12 —Fredericton - Oromocto ; now designated as part of route 7.
• Route 13 —Pokemouche to Miscou Island; Now designated as Route 113.
• Route 14 —Now designated as Route 114
• Route 14 —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 Boiestownk; now designated as route 107.
• 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