YELLOW TRAP INDEX PAGE

	THE YELLOW-TRAP HAZARD: DO YOU KNOW WHAT YELLOW-TRAP IS? DO THEY THINK WE'RE THAT STUPID? RULES FOR PREVENTING YELLOW TRAP HOW GOVERNMENT CAUSES YELLOW TRAP The Yellow-Trap Danger at Traffic Signals Flashing Yellow Arrows - What Can Go Wrong?
	PREVENTING YELLOW TRAP WITH FLASHING YELLOW ARROWS Properly Installing Flashing Yellow Arrows Are you Experiencing crashes with FYA? About Flashing Yellow Arrows The Truth About Flashing Yellow Arrows FAQ about FYA A Visual Example of Flashing Yellow Arrows Relay Implementation of FYA Fixing a Bad Intersection with FYA Left Turn Signals - Then and Now The Perception Problem of Clearing a Flashing Yellow Arrow Left Turn Signals and Lane Use Control Which states are making progress with Flashing Yellow Arrows? Here are the box scores.
	THE TRAPS The Yellow-Trap Danger at Traffic Signals Second yellow trap Third yellow trap Yellow trap and pre-emptions Little yellow trap Green trap
	PREVENTING YELLOW TRAP New Approaches to the Problem Yellow trap and pre-emptions Rules for Preventing Yellow Trap Signal Design Table Preventing Yellow Trap During Construction
	ABOUT LEFT TURN SIGNALS How Left Turn Signals Work Diamond Interchange Variations Left Turn Signals - Then and Now Leading and Lagging Left Turn Signals Compared Traffic Signal Classification Symbols for Maps Definitions
	BAD EXAMPLES Flashing Yellow Arrows - What Can Go Wrong? Yellow-trap in Bloomington Indiana SITE LINKS Unusual Traffic Problems, Hazards, and Solutions Home
	REFERENCE LINKS The entire original research report by the National Cooperative Highway Research Program: NCHRP Report 493 pdf Two web pages by the company who did the work on the report: Learn about the flashing yellow arrow Fixing the Yellow Trap A well written description written before the new MUTCD (see below) came out, "Four-Section Protected-Permissive Flashing Yellow Arrow Traffic Signal Head" by Richard Mullinax has suddenly disappeared from the Internet. Another well written report on the subject, "Improving Left-Turn Safety Using Flashing Yellow Arrow Permissive Indications pdf" by David A. Noyce has also disappeared from the Internet. A brochure on why Flashing Yellow Arrows prevents yellow trap: Preventing Yellow Trap Preventing Yellow Trap with a Doghouse Display: Inhibiting Phases to Avoid Yellow Trap The new 2009 federal standard: Manual of Uniform Traffic Control Devices (MUTCD)
	IMPLEMENTATION Relay Implementation of FYA Flashing Yellow Arrows lagging left turn as installed. Flashing Yellow Arrows in a quad split lead signal. Flashing Yellow Arrows in a quad single-split lead-lag signal. Inserted Red Clear lagging left turn as installed. Inserted Red Clear in a quad split lead signal. Call Redirection leading left turn as installed. Call Redirection in a quad split lead signal. False Calls leading left turn as installed. False Calls implemented in a quad split lead signal. A standard quad split lead left-turn signal causing yellow-trap. SITE LINKS Unusual Traffic Problems, Hazards, and Solutions Home