Mr. Lewis [email protected] 328-5372 @ChancyLewis2014 Mr. Lewis [email protected] 328-5372 .
D11 - ENGINEERING DIVISION. VISIBILTY DURABILITY COST.
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Transcript of D11 - ENGINEERING DIVISION. VISIBILTY DURABILITY COST.
D11 - ENGINEERING DIVISION
VISIBILTY DURABILITY COST
TRAFFIC STRIPES & TRAFFIC SIGNS
Traffic Signs and Stripes are one of the Most Cost-effective Means of Improving Highway Safety
The Cost of Traffic Sign Panels and Stripes is Minimal Compared to the Total Project Cost < 4%
PAINTTO
HIGH REFLECTIVE THERMO
TRAFFIC STRIPES
PAINT STRIPES
• D-11 has 4,000 lane miles
• Up until 2010 District 11 used paint stripes
• Paint Life Expectancy < 1 Year
• To maintain visibility Caltrans MTCE crew had to refresh the paint stripes on a yearly basis
• Total Yearly Cost = $3,000,000 million
Issues: Safety + Labor Cost + Material Cost
THERMOPLASTIC STRIPES
In 2009 we Started Experimenting with
THERMOPLASTIC STRIPES
HEATED-PLASTIC & REFLECTIVE BEADS
• Layer #1 heated thermo, 400-440 degrees
• Layer #2 Glass beads on top of the thermo
THERMOPLASTIC STRIPES
THERMOPLASTIC CLOSE-UP VIEW
THERMOPLASTIC STRIPES
THERMOPLASTIC TRUCK
BEADS TANK
HEATED THERMOPLASTIC
TANK
NOZZLES
THERMOPLASTIC STRIPES
SPRAY NOZZLES
THERMOPLASTIC STRIPES• D-11 Started Experimenting 2009
• Reflectivity Value: White = 250 Yellow = 150
COST PER YEAR OF SERVICE
$ COST/LF LIFE EXPECTANCY YEARS
COST PER YEAR OF SERVICE
Paint $0.18 1 $0.18Thermoplastic $0.31 4 $0.08
IN 2010 DISTRICT-11 SWITCHED
STRIPES ALL THERMO
HIGH REFLECTIVE THERMOPLASTIC STRIPES
HIGH REFLECTIVE THERMOPLASTIC STRIPES
• D-11 Started Experimenting 2011
• Layer #1 Heated Thermoplastic Material
• Layer #2 Highly Reflective Glass Beads
• Layer #3 Standard Glass Beads
• Cost $/LF in 2011 = $0.42
• Cost $/LF in 2014 = $0.32
FINAL PRODUCT CLOSE-UP
HIGH REFLECTIVE BEADS
DRY BEADS CLOSE-UP
COIN(DIME)
STANDARD BEADS
DRY BEADS CLOSE-UP
HIGH REFLECTIVE BEADS
STANDARD BEADS
FINAL PRODUCT ENHANCED THERMO
RETROREFLECTIVITY IN (MCDM-2LX-1)
YELLOW STRIPES
RETROREFLECTIVITY COMPARISON
WHITE STRIPES
3XRETROREFLECTIVITY
RETROREFLECTIVITY COMPARISON
HIGH PERFORMANCE THERMOPLASTIC HAS:
DISTRICT-11 IS CURRENTLY USING ENHANCED THERMOPLASTIC ON ALL NEW PROJECTS
D11 - STRIPING CONCLUSION
Standard Thermo Vs
High Performance Thermo
• ALMOST THE SAME COST
• 3X TIMES THE RETROREFLECTIVITY
• HIGH VISIBILITY DURING DRY & WET WEATHER IN 2012 D-11 SWITCHED STRIPES
TO ALL HIGH REFLECTIVE THERMO
WHAT IS NEXT IN FOR STRIPING?
SIGN SHEETING
Reflectivity Durability Cost
RETROREFLECTIVE SHEETING TYPES
WHICH TYPE SHOULD WE USE?
RETROREFLECTIVITY
Retroreflectivity is defined as the light that returns to the light source
2010
CAR HEADLIGHTS OFF (Location 1)
CAR HEADLIGHTS ON (Location 1)
CAR HEADLIGHTS OFF (Location 2)
CAR HEADLIGHTS ON (Location 2)
CAR HEADLIGHTS OFF (Location 3)
CAR HEADLIGHTS ON (Location 3)
CAR HEADLIGHTS OFF (Location 4)
CAR HEADLIGHTS ON (Location 4)
RETROREFLECTIVITY / WARRANTY
D-11 REPORT
• REDUCE INFRASTRUCTURE COST
• REDUCE ELECTRICAL ENERGY COST
• INCREASE SAFETY•REDUCE MAINTENANCE COST (Bulbs, Copper Theft)
SAVINGS & BENEFITS - TYPE XI
“2015 LIGHTS OUT”
IN 2012 D-11 SWITCHED TO
TYPE XI SHEETING FOR ALL SIGNS
JULY 2014 - TYPE XI SHEETING STATEWIDE STANDARD
FOR GUIDE SIGNS
TYPE XI SHEETING A STATEWIDE STANDARD
OTHERS REASONS FOR BETTER & BRIGHTER
SIGNING & STRIPING MATERIALS
MUTCD MINIMUM MAINTAINED RETROREFLECTIVITY LEVELS
REPLACE NON-COMPLIANT WARNING AND REGULATORY SIGNS 2015REPLACE GUIDANCE AND STREET NAME SIGNS 2018
MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES
NOW MORE THAN EVER WE NEED BRIGHTER SIGNING & STRIPING
ELDERLY BABY BOOMERS POPULATION IS GROWING
GROWING DRIVING POPULATION
CHOOSE WISELY