Popular Science Monthly 





57 



Oregon's magnificent highway, extending for 

 two hundred miles through the heart of the 

 Cascade and Coast Ridge Mountains, was 

 built by engineers who first spent months in 

 Europe studying famous mountain roadways 

 there. The roadway is nowhere less than 

 twenty-four feet in width and has a grade not 

 exceeding five percent at any point. It is 

 built to last for ages and is considered one of 



shown"a1oonTSe °^l°°f? roadmaking to be found in the country. In the circle above is 



Shown a loop in the road affording a wonderful outlook over the Columbia River, on which the 



road opens vistas from time to time as it curves through the hills 



Oregon Built a Scenic Highway for Motorists 



