The handy guide book to Idaho historical markers published in the 1990s is now out of print, but you can see a pdf copy online at the Idaho State Historical Society website: https://history.idaho ...

Courtesy of MacArthur "Mac" Eld / Idaho Transportation Department / Idaho State Historic Preservation Office. Idaho’s highways are home to more than 240 markers detailing the state’s rich history.

Idahoan Mac Eld set out to photograph all of Idaho’s highway history markers. Along the way he became the Gem State’s leading authority on the condition of the signs. He now wants officials to ...

In mid-October, an empty frame is all that’s visible of Historical Marker 302 at the Galena Summit near Sun Valley, Idaho. Credit: Roland Lane/High Country News That original territory is vast ...

Throughout Idaho’s highways and byways, brown wooden signs call out to passersby, looking to tell stories of the past to those who will listen. The Idaho Highway Historical Marker Program is a ...

More than 150 years later, the Idaho State Historical Society and the Idaho Department of Transportation partnered to erect hundreds of highway historical markers — you’ve seen them scattered ...

Courtesy photo The new historical highway marker to be dedicated Oct. 17 in front of the Abbot-Spalding House Museum will join this granite monument that the Historical Society erected in tribute to ...

So I did some research. I found the state’s online guide to the 300 or so Idaho highway history markers.It lists them alphabetically and, more helpfully, by highway milepost. It’s got a nice ...