John Loudon McAdam

Table of Contents

Introduction References & Edit History Quick Facts & Related Topics

Images

McAdam, engraving by Charles Turner

cross sections of three 18th-century European roads

Read Next

Union Jack flag of Great Britain, united kingdom

What’s the Difference Between Great Britain and the United Kingdom?

High angle view of a woman crossing a road. City streets, asphalt, bike lanes, car traffic, pedestrians

Why Are Roads Made of Asphalt?

Discover

Demystified - Do Lemmings Really Commit Mass Suicide? illustration

Do Lemmings Really Commit Mass Suicide?

Flag of Bhutan

6 Small Kingdoms of the World

The Lost Colony of Roanoke, North Carolina, where 115 people mysteriously disappeared c. 1590. John White discovers the word Croatoan carved onto a tree upon his return to the deserted Roanoke Colony in 1590

The Lost Colony of Roanoke

United States elections portal page linking to each election interactive

A History of U.S. Presidential Elections in Maps

Secret Service Agent Listens To Earpiece

Secret Service Code Names of 11 U.S. Presidents

Dr. Martin Luther King Jr. addresses marchers during his "I Have a Dream" speech at the Lincoln Memorial in Washington. August 28th 1963

Was Martin Luther King, Jr., a Republican or a Democrat?

United States Presidential Election of 2012. Mitt Romney. Official portrait of President Barack Obama in the Oval Office, Dec. 6, 2012 after his reelection Nov. 6, 2012. Official portrait Obama

10 Democrats Who Made History

John Loudon McAdam: Media

British inventor

Images

McAdam, engraving by Charles Turner

McAdam, engraving by Charles Turner

Courtesy of the trustees of the British Museum; photograph, J.R. Freeman & Co. Ltd.

cross sections of three 18th-century European roads

cross sections of three 18th-century European roads

Cross sections of three 18th-century European roads, as designed by (top) Pierre...

Encyclopædia Britannica, Inc.

VIEW MORE in these related Britannica articles: