188 m Karabük-Yenice National Road, Keltepe Tunnel – 1 x 185 m Zonguldak-Devrek, Gökgöl Tunnel – 1 x 180 m Ordu, Perşembe-Fatsa, Tekkebak Tunnel – 2 x 170 m Sinop-Gerze, Lala Cut-Cover Tunnel – 2 x 168 m Bitlis-Siirt (Baykan), T5 (Doğudeniz/Sarıkonak) Tunnel – 2 x 160 m Sinop, Dikmen-Akgüney, Güzelçay Tunnel – 1 x 160 m Kastamonu, İnebolu-Küre, Yenigün Tunnel – 1 x 160 m Artvin, Kemalpaşa-Sarp, Sarp-3 Tunnel – 1 x 157 m Artvin, Kemalpaşa-Sarp, Sarp-2 Tunnel – 1 x 152 m Ordu, Bolaman-Perşembe, Çaka (Hoynat) Tunnel – 1 x 151 m Ordu, Perşembe-Fatsa, Kadıoğlu Tunnel – 2 x 150 m Sinop, Boyabat-Saraydüzü, Yeşilyurt Cut-Cover T2 Tunnel – 1 x 146 m Trabzon Coastal Highway, Trabzon (Çömlekçi) Tunnel – 2 x 144 m Zonguldak, Kozlu-Ereğli, Değirmenağzı-2 (Ilıksu-2) Tunnel – 1 x 132 m Zonguldak-Kilimli, Kapuz-Uzunkum Cut-Cover (T0) Tunnel – 2 x 131 m İstanbul, Beylerbeyi-Kuzguncuk, Beylerbeyi Köprüaltı Tunnel – 1 x 130 m Sinop-Boyabat, Hıdırlı Cut-Cover Tunnel – 2 x 129 m Karabük-Yenice, Karabük Downtown Cut-Cover Tunnel – 1 x 120 m Karabük-Yenice National Road, Alaçamkaya Tunnel – 1 x 117 m Rize, Pazar-Çayeli, İkiztepe (Pazar) Tunnel – 1 x 115 m Artvin, Kemalpaşa-Sarp, Sarp-1 Tunnel – 1 x 108 m Hakkari-Yüksekova, Erzikli Tunnel – 1 x 107 m Karabük-Yenice National Road, Deligeçit Tunnel – 1 x 104 m Karabük-Yenice National Road, Ezankaya Tunnel – 1 x 98 m Sinop, Boyabat-Saraydüzü, Yeşilyurt Cut-Cover T1 Tunnel – 1 x 96 m Hakkari-Yüksekova, Arslankaya Tunnel – 1 x 96 m Giresun-Dereli, Çınarcık (T5) Tunnel – 1 x 75 m İstanbul, Silahtarağa Tunnel – 1 x 75 m Rize (Çayeli) - Artvin (Pazar), Çayeli Old Tunnel – 2 x 70 m Karabük-Yenice National Road, Pirinçlik Tunnel – 1 x 69 m Ordu-Perşembe, Perşembe Tunnel – 1 x 67 m Şanlıurfa, Birecik Tunnel – 1 x 66 m Hakkari-Yüksekova, Yeniköprü Tunnel – 1 x 67 m Karabük-Yenice National Road, Ulubelen Tunnel – 1 x 36 m Road tunnels (under construction) Trabzon(Maçka)-Gümüşhane(Torul), New Zigana Tunnel (under construction) – 2 x 14,481 m Antalya(Gazipaşa-Güneyköy)-Mersin(Anamur-Kaledran), Gökçebelen Tunnel (under construction) – 2 x 11,250 m Antalya(Akseki)-Konya(Seydişehir), Alacabel Tunnel (under construction) – 2 x 7,360 m Erzurum-İspir, Kırık (Hortik/Gölyurt) Tunnel (under construction) – 2 x 7,105 m Bayburt(Maden)-Erzurum(Aşkale), Kop Tunnel (under construction) – 2 x 6,500 m Gümüşhane, Pirahmet-Kelkit, Pekün (Ünlüpınar) Tunnel (under construction) – 2 x 6,350 m Gümüşhane-Bayburt, Vauk T2 Tunnel (under construction) – 2