Seward Highway Cameras: Turnagain Arm Road Conditions

The Seward Highway is the most-driven scenic road in Alaska and the lifeline between Anchorage and the Kenai Peninsula — and it is also one of the most avalanche-exposed highways in the state. The 125-mile route hugs the water along Turnagain Arm, threads through the Chugach and Kenai mountains, and ends in Seward at the doorstep of Kenai Fjords National Park. Conditions can flip from bare pavement to ice and snow within a few miles, so the smart move is to look at the road before you go. Our live Alaska camera map pulls the official Alaska 511 feeds for this corridor into one view.

The route, mile by mile

The Seward Highway carries two route numbers along its length:

• AK-1 from Anchorage south to the Sterling Highway junction at Tern Lake, where AK-1 turns west onto the Kenai.
• AK-9 for the final roughly 37 miles from Tern Lake into Seward.

It leaves Anchorage, runs the length of Turnagain Arm past Girdwood and the Alyeska turnoff, climbs over Turnagain Pass, drops to Tern Lake Junction, and then continues south to Seward. Without stops the drive runs about 2.5 to 3 hours.

Why Turnagain Arm demands a look first

The stretch between Anchorage and Girdwood is the headline hazard. It sits between steep mountain walls and the tidal water of Turnagain Arm, and it is avalanche-prone, with the Alaska DOT running one of the state's oldest highway avalanche programs here. After heavy snow the department occasionally closes segments for control work, and the road also collects ice and dense fog as marine air meets cold mountain air.

A few things the cameras and road-weather help you judge:

• Avalanche control closures. A storm cycle can shut the Arm with little notice. Scanning the cameras tells you whether traffic is moving.
• Ice on the shaded curves. Pavement temperature near freezing on the nearby RWIS station (readings in degrees Fahrenheit) is a strong ice hint even when the picture looks dry.
• Turnagain Pass snow. The pass climbs well above the Arm and holds snow long after the lowlands clear, so check it separately from the Anchorage cameras.

Onward to the Kenai and Seward

At Tern Lake Junction the corridor splits. Continue south on AK-9 for Seward and Kenai Fjords National Park, or turn west onto the Sterling Highway (AK-1) toward Cooper Landing, Soldotna, Kenai, and Homer. Both legs sit in the Chugach National Forest and the Kenai's fishing country, and both can carry snow and fog well into spring. The Kenai Peninsula chip on the map covers these onward routes; the Anchorage chip covers the city end of the Arm.

Seasonal honesty

The Seward Highway stays open year-round — it's the only road to Seward and the Kenai — but winter driving here is serious:

• Avalanche closures along Turnagain Arm can hold traffic for hours during control work.
• Daylight is short in midwinter, and much of the Arm and the passes are unlit.
• Conditions vary by elevation, so a clear Anchorage forecast tells you little about Turnagain Pass.

Treat the cameras as a planning aid, not a guarantee — confirm any closure on Alaska 511 (511.alaska.gov) before you rely on it.

Check before you climb

Before you point the car south, open the Seward Highway cameras on our Alaska map, scan Turnagain Arm and Turnagain Pass, and read the nearby road-weather. If you're building a longer Alaska trip, our road cameras hub connects every state we cover, and you can compare mountain-pass driving in Colorado's high country or Oregon's Cascade routes the same way. When you're ready, jump back to the Alaska camera map and watch the road before you drive it.