2018 Paris-Roubaix cobblestone sectors
| No. | Name | Kilometers into the race | Length | Rating |
| 29 | Troisvilles | 93.5 | 2200 m | *** |
| 28 | Briastre | 100 | 3000 m | *** |
| 27 | Saint-Python | 109 | 1500 m | *** |
| 26 | Quiévy | 111.5 | 3700 m | **** |
| 25 | Saint-Vaast | 119 | 1500 m | *** |
| 24 | Verchain-Maugré | 130 | 1200 m | ** |
| 23 | Quérénaing | 134.5 | 1600 m | *** |
| 22 | Maing | 137.5 | 2500 m | *** |
| 21 | Monchaux-sur-Ecaillon | 140.5 | 1600 m | *** |
| 20 | Haveluy | 153.5 | 2500 m | **** |
| 19 | Trouée d’Arenberg | 162 | 2400 m | ***** |
| 18 | Hélesmes | 168 | 1600 m | *** |
| 17 | Wandignies | 174.5 | 3700 m | **** |
| 16 | Brillon | 182 | 2400 m | *** |
| 15 | Sars-et-Rosières | 185.5 | 2400 m | **** |
| 14 | Beuvry-la-Forêt | 189 | 1400 m | *** |
| 13 | Orchies | 197 | 1700 m | *** |
| 12 | Bersée | 203 | 2700 m | **** |
| 11 | Mons-en-Pévèle | 208.5 | 3000 m | ***** |
| 10 | Avelin | 214.5 | 700 m | ** |
| 9 | Ennevelin | 218 | 1400 m | *** |
| 8 | Templeuve – L’Epinette | 223.5 | 200 m | * |
| 8 | Templeuve – Moulin de Vertain | 224 | 500 m | ** |
| 7 | Cysoing | 230.5 | 1300 m | *** |
| 6 | Bourghelles | 233 | 1100 m | *** |
| 5 | Camphin-en-Pévèle | 237.5 | 1800 m | **** |
| 4 | Carrefour de l’Arbre | 240 | 2100 m | ***** |
| 3 | Gruson | 242.5 | 1100 m | ** |
| 2 | Hem | 249 | 1400 m | *** |
| 1 | Roubaix | 256 | 300 m | * |
Cafe Roubaix 