Introduction
The article National Highways present the list of Important National Highways observed across the Country. This article plays a prominent role in General Awareness/General Knowledge preparation in many competitive exams such as RRB, LIC AO, CDS, RBI, SSC, UPSC, FCI, UIIC, OICL, SBI Clerk and PO etc.
NH's
Below table contains the list of important National Highways across India:
| National Highway | States | Length |
|---|---|---|
| NH-1 | Jammu and Kashmir | 535 km (332 mi) |
| NH-2 | Assam - Nagaland - Manipur - Mizoram | 1,214 km (754 mi) |
| NH-3 | Punjab - Himachal Pradesh - Jammu and Kashmir | 427 km (265 mi) |
| NH-4 | Andaman & Nicobar | 230 km (140 mi) |
| NH-5 | Punjab - Chandigarh - Haryana - Himachal Pradesh | 637 km (396 mi) |
| NH-6 | Meghalaya - Assam - Mizoram | 1,873 km (1,164 mi) |
| NH-7 | Punjab - Chandigarh - Haryana - Himachal Pradesh - Uttarakhand | 770 km (480 mi) |
| NH-8 | Assam - Tripura | 371 km (231 mi) |
| NH-9 | Punjab - Haryana - Delhi - Uttar Pradesh - Uttarakhand | 811 km (504 mi) |
| NH-10 | Sikkim - West Bengal | 174 km (108 mi) |
| NH-11 | Rajasthan | 495 km (308 mi) |
| NH-12 | West Bengal | 612 km (380 mi) |
| NH-13 | Arunachal Pradesh - Assam | 1,150 km (710 mi) |
| NH-14 | West Bengal | 306 km (190 mi) |
| NH-15 | Assam - Arunachal Pradesh | 664 km (413 mi) |
| NH-16 | West Bengal - Odisha - Andhra Pradesh - Tamil Nadu | 1,659 km (1,031 mi) |
| NH-17 | West Bengal - Assam | 477 km (296 mi) |
| NH-18 | Jharkhand - West Bengal - Odisha | 359 km (223 mi) |
| NH-19 | Delhi - Haryana - Uttar Pradesh - Bihar - Jharkhand - West Bengal | 1,435 km (892 mi) |
| NH-20 | Bihar - Jharkhand - Odisha | 658 km (409 mi) |
| NH-21 | Rajasthan - Uttar Pradesh | 262 km (163 mi) |
| NH-22 | Bihar - Jharkhand | 416 km (258 mi) |
| NH-23 | Rajasthan | 222 km (138 mi) |
| NH-24 | Uttar Pradesh | 293 km (182 mi) |
| NH-25 | Rajasthan | 353 km (219 mi) |
| NH-26 | Odisha - Andhra Pradesh | 526 km (327 mi) |
| NH-27 | Gujarat - Rajasthan - Madhya Pradesh - Uttar Pradesh - Bihar - West Bengal - Assam | 3,507 km (2,179 mi) |
| NH-28 | Uttar Pradesh | 305 km (190 mi) |
| NH-29 | Assam - Nagaland | 320 km (200 mi) |
| NH-30 | Uttarakhand - Uttar Pradesh - Madhya Pradesh - Chhattisgarh - Telangana - Andhra Pradesh | 2,010 km (1,250 mi) |
| NH-31 | Uttar Pradesh - Bihar - West Bengal | 968 km (601 mi) |
| NH-32 | Tamil Nadu - Puducherry | 314 km (195 mi) |
| NH-33 | Bihar - West Bengal | 443 km (275 mi) |
| NH-34 | Uttarakhand - Uttar Pradesh - Madhya Pradesh | 1,426 km (886 mi) |
| NH-35 | Uttar Pradesh | 346 km (215 mi) |
| NH-36 | Tamil Nadu | 334 km (208 mi) |
| NH-37 | Assam - Manipur | 313 km (194 mi) |
| NH-38 | Tamil Nadu | 604 km (375 mi) |
| NH-39 | Madhya Pradesh - Uttar Pradesh - Jharkhand | 869 km (540 mi) |
| NH-40 | Andhra Pradesh | 420 km (260 mi) |
| NH-41 | Gujarat | 290 km (180 mi) |
| NH-42 | Karnataka - Andhra Pradesh - Tamil Nadu | 337 km (209 mi) |
| NH-43 | Madhya Pradesh - Chhattisgarh - Jharkhand | 806 km (501 mi) |
| NH-44 | Jammu and Kashmir - Himachal Pradesh - Punjab - Haryana - Delhi - Uttar Pradesh - Madhya Pradesh - Maharashtra - Telangana - Andhra Pradesh - Karnataka - Tamil Nadu | 3,745 km (2,327 mi) |
| NH-45 | Madhya Pradesh | 280 km (170 mi) |
| NH-46 | Madhya Pradesh | 604 km (375 mi) |
| NH-47 | Gujarat - Madhya Pradesh - Maharashtra | 1,080 km (670 mi) |
| NH-48 | Delhi - Haryana - Rajasthan - Gujarat - Maharashtra - Karnataka - Tamil Nadu | 2,807 km (1,744 mi) |
| NH-49 | Chhattishgarh - Odisha - Jharkhand - West Bengal | 706 km (439 mi) |
| NH-50 | Karnataka | 544 km (338 mi) |
| NH-51 | Gujarat | 522 km (324 mi) |
| NH-52 | Punjab - Haryana - Rajasthan - Madhya Pradesh - Maharashtra - Karnataka | 2,317 km (1,440 mi) |
| NH-53 | Gujarat - Maharashtra - Chhattisgarh - Odisha | 1,781 km (1,107 mi) |
| NH-54 | Punjab | 340 km (210 mi) |
| NH-55 | Odisha | 264 km (164 mi) |
| NH-56 | Rajasthan - Madhya Pradesh - Gujarat | 290 km (180 mi) |
| NH-57 | Odisha | 297 km (185 mi) |
| NH-58 | Rajasthan | 620 km (390 mi) |
| NH-59 | Odisha | 352 km (219 mi) |
| NH-60 | Maharashtra | 395 km (245 mi) |
| NH-61 | Maharashtra - Telangana | 652 km (405 mi) |
| NH-62 | Punjab - Rajasthan | 748 km (465 mi) |
| NH-63 | Telangana - Maharashtra - Chhattisgarh - Odisha | 860 km (530 mi) |
| NH-64 | Gujarat | 332 km (206 mi) |
| NH-65 | Maharashtra - Karnataka - Telangana - Andhra Pradesh | 926 km (575 mi) |
| NH-66 | Maharashtra - Goa - Karnataka - Kerala - Tamil Nadu | 1,593 km (990 mi) |
| NH-67 | Karnataka - Andhra Pradesh | 741 km (460 mi) |
| NH-68 | Rajasthan - Gujarat | 660 km (410 mi) |
| NH-69 | Karnataka - Andhra Pradesh | 625 km (388 mi) |
| NH-71 | Andhra Pradesh | 108 km (67 mi) |
| NH-73 | Karnataka | 316 km (196 mi) |
| NH-75 | Karnataka - Tamil Nadu | 533 km (331 mi) |
| NH-77 | Tamil Nadu | 177 km (110 mi) |
| NH-79 | Tamil Nadu | 137 km (85 mi) |
| NH-81 | Tamil Nadu | 340 km (210 mi) |
| NH-83 | Tamil Nadu | 394 km (245 mi) |
| NH-85 | Kerala - Tamil Nadu | 413 km (257 mi) |
| NH-87 | Tamil Nadu | 154 km (96 mi) |