Alaska has 14 scenic byways mapped in the US Department of Transportation data, together covering about 4,415 miles of road. The longest is the Alaska’s Marine Highway, running roughly 1,985 mapped miles. 2 of the state’s routes carry the top All-American Road designation. This interactive map plots every Alaska scenic byway — filter by designation, search any town or address, and click a route for its details.

How to use the Alaska scenic byways map

The map opens framed on Alaska. Each line is one scenic byway, coloured by designation. Zoom with the scroll wheel, click any route to see its name, designation, administering agency and mapped length, and use the designation checkboxes or the name filter to focus on the routes you want. Some byways continue across the state line — their full mapped length is shown.

Scenic byways in Alaska

Every scenic byway recorded in Alaska, with its designation and mapped length. Routes that run into neighbouring states are listed at their full length.

Byway designations in Alaska

• All-American Road × 2 — the top federal tier, a destination drive in its own right
• National Scenic Byway × 3 — a federally recognised route with outstanding qualities
• State Scenic Byway × 9 — designated by the state scenic byway programme

Planning a scenic drive in Alaska

Start with the headline routes. Alaska’s All-American Roads — Alaska’s Marine Highway, Seward Highway — are the obvious place to begin. Check seasonal conditions before you travel — mountain and back-country byways can close in winter. For overnight stops along the way, see our Alaska campgrounds map, and for a different pace try the Alaska cycling map.

About this data

Route data comes from the US Department of Transportation scenic byway layers at geo.dot.gov, harmonised into a single dataset. It reflects what the transportation agencies publish and may lag local designations. Routes show the mapped corridor and are for planning only — check current road conditions before you travel.

Alaska scenic byways: frequently asked questions

How many scenic byways does Alaska have?

This map shows 14 scenic byways in Alaska, covering about 4,415 mapped miles.

What is the longest scenic byway in Alaska?

The Alaska’s Marine Highway is the longest, at roughly 1,985 mapped miles.

Does Alaska have any All-American Roads?

Yes — Alaska’s Marine Highway, Seward Highway carries the All-American Road designation, the highest federal tier.