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Highway Engineering

CONTENTS

John Loudon McAdam
John Loudon McAdam
developed the system of road construction called "macadamize," in which the road bed is raised slightly above the level of the surrounding land, drainage ditches edge each side, and the road itself consists of layers of stones that became compressed into a solid surface by repeated traffic.

Calumet Skyway
Calumet Skyway
Located in Chicago, Illinois, Calumet Skyway is an 8-mile-long toll road that connects with the Indiana Toll Road. Opened in April 1958, the $101 million elevated highway has six traffic lanes.

Highway Interchange, 1958
Highway Interchange, 1958

Louisville Expressway
Louisville Expressway

Smart Highway, 1960
"Smart Highway," 1960

Test Road, 1958
Test Road, 1958

Traffic Camera
Traffic Camera, 1960

The Robinson Library >> Technology