Road markings explained
Learn double solid yellow lines, no-passing zones, center turn lanes, and more.
Double solid yellow: rules →
U.S. Traffic Law Guide
Clear, statute-verified answers to road markings and driving rules
Key pages last verified: 2025-09-29 · Sources: MUTCD, State Statutes
Traffic Law Guides & Answers
Right-on-red, turning & yielding
State-specific exceptions, complete stop rules, and pedestrian priority.
Right on red by state →U-turn legality & exceptions
When a U-turn across a double yellow is legal, signage limits, and safe execution.
U-turn across double yellow →State Traffic Law Index (A–Z)
All 50 states A–Z
Driver handbooks & official links
Where available, we link to DOT/DMV sources and controlling statutes.
Featured Articles
Latest Updates & Blog
Rule changes & new signage
2025 changes to no-passing zones and lane markings.
How-to scenarios & safe maneuvers
Turning, merging, yielding, and passing etiquette.
Enforcement, penalties & points
State-level variations and common mistakes to avoid.
Quick Answers (FAQ)
Can I cross a double solid yellow line?
Generally no for passing. Exceptions: a protected left turn into a driveway/side road, a legal U-turn where signed, or to avoid a hazard when safe and yielding to oncoming traffic. See detailed guide.
Is right turn on red allowed in every state?
Most states allow it after a complete stop unless prohibited by a sign or red arrow. Pedestrians have priority. Check state rules.
When is a U-turn across double yellow lines legal?
Only where U-turns are not prohibited and conditions are safe with clear visibility. Some states restrict near hills/curves, school zones, or business districts. Start with this overview.
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This is educational content only. Not legal advice. Not affiliated with any state DMV. Consult local laws.