Online Resources:

Viatological Standard Lexicon
VSL-2026 — authoritative road & transport terminology

Viatype Architecture
structural classification of road infrastructure


Autobahn-Online

Autosnelwegen

Beaver Geography

Bibliothèque et Archives nationales du Québec

California Highways by Dan Faigin

Citizen M1's Beijing Road Photos

City Beautiful

DMOZ/ODP: Roads and Highways

DriveCamUK

Kurumi

Mileage Mike

Northern Ireland Roads by W. Johnston

ORoads: Oregon Roads & Highways

Roadpics

The Roadgap

Road Numbering Systems

Worldwide Transportation Library