Flashing Yellow Left Turn Arrows Scottsdale's Experience

57 Pages·2013·8.74 MB·English

Flashing Yellow Left Turn Arrows
Scottsdale’s Experience
2013 ITE Western District Conference
July 16, 2013
Todd Taylor, P.E., PTOE
City of Scottsdale
Senior Traffic Engineer
FYLTA Review Question
NCHRP Report 493 evaluated what type of
traffic signal displays for left turn control?
A. Protected
B. Permissive
C. Protected/Permissive
FYLTA Review Question
How many Flashing Yellow Left Turn
Arrows (FYLTA) did the City of
Scottsdale have in 2011?
A. Zero
B. One
C. Two
FYLTA Review Question
NCHRP 473 suggested which signal head should
be used for the FYLTA (P/P)?
Or Or
Type “Q-2”
Type “P”??
“G” Modified
FYLTA Trivia Question
Does the MUTCD allow a three section head for
the FYLTA?
1. YES
2. NO
FYLTA Trivia Question
In a three section head for the FYLTA where is
the flashing yellow arrow and solid arrow
located?
Solid Yellow Arrow
Flashing Yellow
Or
Arrow + Solid Green
FYLTA Review Question
The number of collisions at the FYLTA’s in
Scottsdale?
A. Increased
B. Decreased
C. Stayed the same
FYLTA Timeline
2006
2007
2008
2009
Educational Video Nevada
FYLTA in Scottsdale 2008
FHWA approval May
2008 for two sites