100 Years Evolution Of Traffic - 1910s Till The 2010s Review

: In the 1930s, the first barrier crash tests were conducted by General Motors .

The evolution of traffic from the 1910s to the 2010s reflects a century-long race to manage increasing vehicle demand, safety challenges, and technological shifts. This guide outlines the major milestones in how we move and manage the roads. 1910s – 1920s: The Dawn of Regulation 100 Years Evolution of traffic - 1910s till the 2010s

As vehicle speeds and fatalities rose, governments shifted focus from driver behavior to vehicle engineering. : In the 1930s, the first barrier crash

Traffic signals: A brief history | Washington State Magazine : In the 1930s

: The 20th century saw the creation of massive road networks, like the U.S. Federal-Aid Highway Act of 1921 , which paved the way for expansive interstate travel.