Hell Canyon Bridge

HELL CANYON BRIDGE THE WORLD'S ROAD BUILDER Better Quicker Cheaper

"Caterpillar" Tractors carve out roads where roads have never been.. they maintain those roads for safe and speedy travel. They have the power for stiff grades and heavy loads; the traction to go well-nigh anywhere anywhere!

ARIZONA TRACTOR & EQUIPMENT CO. CATERPILLAR TRACTOR CO.

WESTERN PIPE & STEEL CO.

Willite Tempered Asphalt Pavements STAND THE TEST UNDER HEAVIEST TRAFFIC CONDITIONS ARIZONA WILLITE COMPANY,

Carey Elastite Expansion Joint will not melt in hot weather, nor will it become brittle in cold weather. Inexpensive; easily installed. And it lasts as long as the concrete it protects!

The Philip Carey Company Lockland, Cincinnati, Ohio

For Mountain Grades and Curves

to serve the happiness of ever increasing thousands lured by the joy of motoring into unknown hills, good highway engineering provides the Safety of Concrete PORTLAND CEMENT ASSOCIATION 548 South Spring Street LOS ANGELES Concrete for Permanence

THERE CAN BE NO COMPROMISE WITH safety at night WARNS

then protects Where the road turns suddenly and a deep ditch invites disaster-Page Hi-Way Guard is clearly visible in the glare of the headlights. A warning ribbon of white against the blackness of the night.

But, Page does more than warn. When struck it exerts a cushion-like action and elongates according to the force of the blow, saving lives and reducing property damage to a minimum.

PAGE Hi-Way Guard offers many exclusive advantages for the protection of bridge approaches, embankments, road terminals and river banks, dead end streets, parks, etc. Write for sample and literature.

California Corrugated Culvert Co. Fifth & Parker St., West Berkeley Western Metal Manufacturing Co. El Paso, Houston, Dallas, Texas Full Circle and Part Circle Corrugated Culverts made from Pure and Lasting Armco Ingot Iron-Drainage Irrigation and Pressure Gates.

PAGE HI-WAY GUARD

(PATENT PENDING)

The Lifeline of the Highway