| New Brunswick provincial highway system | |
| Caption: | Standard highway markers for New Brunswick |
| Map: | New Brunswick road map.png |
| Map Notes: | Major highways in New Brunswick |
| Label1: | Provincial Highways |
| Field1: | New Brunswick Route XX (Route XX) |
| Links: | NB |
This is a list of numbered provincial highways in the Canadian province of New Brunswick. These provincial highways are maintained by the Department of Transportation and Infrastructure in New Brunswick. For a list of formerly-numbered highways, see List of former New Brunswick provincial highways.__TOC__
Marked by green signs, these highways are the primary routes in the system, and Routes 1, 2, 7, 8, 11, 15, 16 and 95 are all expressways or freeways for part or all of their length. The speed limit generally ranges from 80to, with the highest limits on four-lane freeway sections.
| scope=col width=115 | Route | scope=col | Length (km) | scope=col | Length (mi) | scope=col | Southern / western terminus | scope=col | Northern / eastern terminus | scope=col width="5%" | References |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 237km (147miles) | International Avenue to US 1 in Calais | in River Glade | |||||||||
| 514km (319miles) | near Edmundston | near Fort Lawrence | |||||||||
| 93.9km (58.3miles) | in St. Stephen | in Longs Creek | |||||||||
| 28.3km (17.6miles) | at the Vanceboro–St. Croix Border Crossing | in Thomaston Corner | |||||||||
| 96.6km (60miles) | in Fredericton | near Saint John | |||||||||
| 257km (160miles) | near Fredericton | near Bathurst | |||||||||
| 144km (89miles) | in Fredericton | in Sussex | |||||||||
| 323km (201miles) | near Shediac | near Matapédia | |||||||||
| 78.7km (48.9miles) | in Riverview | near Strait Shores | |||||||||
| 56.1km (34.9miles) | in Aulac | on the Confederation Bridge | |||||||||
| 145km (90miles) | in Saint-Léonard | in Glencoe | |||||||||
| 14.5km (09miles) | at the Houlton–Woodstock Border Crossing | in Woodstock | |||||||||
Marked by blue signs, these secondary highways are sometimes the old alignments of primary highways or connector routes between towns or to and from primary highways. The speed limit is generally 80km/h.
Marked by black signs, these are the tertiary routes that fill out the highway network and connect small communities and areas to more important highways. The speed limit is generally 80km/h or lower depending on road design standards.[1]
The following roads are designated provincial highways by the New Brunswick Department of Transportation, but have no signed numerical designation: