The MythBusters tackle congestion questions: testing shockwave jams, if a roundabout is better than a 4-way stop sign, if it's faster to drive than fly when your trip is under 400 miles, and if it's better to change lanes or stay put in heavy traffic.
By entering your email address, you agree to our Terms of Use and acknowledge the Privacy Policy. discovery and its affiliates may use your email address to provide updates, ads, and offers.
To withdraw your consent or learn more about your rights, see the Privacy Policy.