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Sign Reflectivity Maintenance Standards. A summary of the new rule and methods to be in compliance . Final Rule. 2003 MUTCD Revision #2 Effective Jan 22, 2008. MUTCD. Manual on Uniform Traffic Control Devices.
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Sign Reflectivity Maintenance Standards A synopsis of the new govern and strategies to be in consistence

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Final Rule 2003 MUTCD Revision #2 Effective Jan 22, 2008

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MUTCD Manual on Uniform Traffic Control Devices National standard for all activity control gadgets introduced on any road, roadway, or bike trail open to open travel

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"Standard: Public organizations or authorities having purview should utilize an evaluation or administration strategy that is intended to keep up sign retroreflectivity at or over the base levels in Table 2A-3" New MUTCD Language Section 2A.09 Maintaining Minimum Retroreflectivity

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New MUTCD Table 2A.3 Minimum Maintained Retroreflectivity Levels

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New MUTCD Table with Specifications for New Sheeting

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"Bolster: Compliance… is accomplished by having a technique set up and utilizing the technique to keep up the base levels built up in Table 2A-3. Given that… a strategy is being utilized, an organization would be in consistence… regardless of the possibility that there are some individual signs that don\'t meet the… levels at a specific point in time. New MUTCD Language Section 2A.09 Maintaining Minimum Retroreflectivity

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Visual Nighttime Inspection/Assessment Calibration Signs Comparison Panels Consistent Parameters Measured Sign Retro Expected Sign Life Blanket Replacement Control Signs Future Method Based On Engr. Concentrate on Combination Of Any New MUTCD Language "… at least one of the accompanying appraisal or administration techniques ought to be utilized… "

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MUTCD Methods Visual appraisal Measured retroreflectivity Expected sign life Blanket substitution Control signs Future strategies Combination of techniques www.fhwa.dot.gov/retro

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Method 1: Visual Assessment Trained investigator Visual examination during the evening Need to attach to least values by utilizing Calibration signs strategy , or Comparison boards system , or Consistent parameters methodology

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Method 1: Visual Assessment Common components of all visual appraisal methods Aim review vehicle headlamps Two-man team works best Use low-pillar headlamps Have assessment shape and criteria Conduct assessments at roadway speed

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Method 1: Visual Assessment Calibration Procedure "Align" eyes with adjustment signs Calibration signs are close least retro Evaluate signs contrasted with alignment signs

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Method 1: Visual Assessment Comparison Panels Procedure Tie to least values with correlation boards Panels are close wanted retro Clipped to sign - saw from separation Evaluate signs contrasted with boards

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Method 1: Visual Assessment Consistent Parameters Procedure Tie to least values by utilizing reliable parameters as used to build up the base levels Inspector – more established driver (60+) SUV sort vehicle Cutoff headlamps (appropriately pointed)

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Advantages/Disadvantages Method 1: Visual Assessments Advantages: Signs are seen in their normal environment Low level of sign substitution and sign waste. Drawbacks: Subjective: yet look into has demonstrated that prepared spectators can recognize signs with minor retroreflectivity. Introduction of leading evening reviews Paying extra time

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MUTCD Methods Visual appraisal Measured retroreflectivity Expected sign life Blanket substitution Control signs Future techniques Combination of strategies www.fhwa.dot.gov/retro

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Method 2: Measure Sign Retro Training Portable instrument Compare readings to least values

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Information on Hand-Held Devices Delta Retrosign GR3 http://www.tapcostore.com/RoadVista 922 http://www.roadvista.com Zehntner ZRS (Available in Europe) http://www.zehntner.com/html/download/prospekt_zrs5060_d_e.pdf Mechatronic RC200 (Available in Europe) http://www.mechatronic.de/04traffic/en/01/rc2000.html As of May 2008

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Advantages/Disadvantages Method 2: Measured Retro Advantages: Most direct method for observing retroreflectivity levels Removes subjectivity Disadvantages: Cost of instruments (approx $12,000) Time devouring/asset concentrated May disregard different characteristics of the sign\'s general appearance.

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Advantages/Disadvantages Method 2: Measured Retro Advantages: Most direct method for checking retroreflectivity levels Removes subjectivity Disadvantages: Cost of instruments (approx $12,000) Time devouring/asset serious May disregard different characteristics of the sign\'s general appearance.

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MUTCD Methods Visual appraisal Measured retroreflectivity Expected sign life Blanket substitution Control signs Future strategies Combination of techniques www.fhwa.dot.gov/retro

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Method 3: Expected Sign Life Find the life of the sheeting sort in your general vicinity Replacement in light of expected life for individual signs

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Determining Sign Life Use a weathering rack Use AASHTO-NTPEP information Use guarantee data from sheeting organization Measure existing signs with known introduce date Use adjacent purview\'s weathering information

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Advantages/Disadvantages Method 3, Expected Sign Life Advantages: Can utilize a date sticker, standardized tag, or electronic sign administration framework Agencies can create or duplicate neighborhood benefit life levels Disadvantages: Requires following establishment date of all signs. May be tedious to investigate date stickers if the stickers are not effectively perceptible or PC stock is not utilized

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MUTCD Methods Visual evaluation Measured retroreflectivity Expected sign life Blanket substitution Control signs Future techniques Combination of strategies www.fhwa.dot.gov/retro

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Method 4: Blanket Replacement All signs in a territory/passage are supplanted in the meantime at determined interims Specified interims could be set in view of expected sign life

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Blanket Replacement Divide organization into ranges/hallways or zones Relate number of zones to substitution cycle Replace all signs in a zone/passageway every substitution cycle 10 yr life,  10 territories Annual substitution in every region Example seventh year Replace all signs around there amid first year fifth year third year

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Advantages/Disadvantages Method 4, Blanket Replacement Advantages: Low probability of a given sign being skirted or not being supplanted. This guarantees all supplanted signs are unmistakable and meet least retroreflectivity levels. Disservices: Waste if signs that are generally new are evacuated amid an ordinary substitution cycle.

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MUTCD Methods Visual evaluation Measured retroreflectivity Expected sign life Blanket substitution Control signs Future techniques Combination of strategies www.fhwa.dot.gov/retro

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Method 5: Control Signs Sign life is assessed utilizing a subset of signs speaking to an organization\'s stock. Subset of signs is the "control signs" Control signs can be in-administration signs or signs in a support yard. Organization screens control signs to gauge state of every one of their signs. Intermittently measure retroreflectivity of control signs. Case of Control Signs

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Advantages/Disadvantages Method 5, Control Signs Advantages: Not exceptionally work serious Low cost choice Disadvantages: Need a satisfactory examining of signs

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MUTCD Methods Visual evaluation Measured retroreflectivity Expected sign life Blanket substitution Control signs Future techniques Combination of strategies www.fhwa.dot.gov/retro

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Method 6: Future Methods Flexibility is accommodated future headways in technology and techniques that have not been completely developed Must be founded on a designing study

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MUTCD Methods Visual appraisal Measured retroreflectivity Expected sign life Blanket substitution Control signs Future techniques Combination of techniques www.fhwa.dot.gov/retro

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Summary: Methods Allowed Visual Nighttime Inspection Calibration Signs Comparison Panels Consistent Parameters Measured Sign Retro Expected Sign Life Blanket Replacement Control Signs Future Method Based On Engr. Concentrate on Combination

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Public offices or authorities having locale should utilize an evaluation or administration technique that is intended to keep up sign retroreflectivity at or over the base levels in Table 2A-3" Compliance… is accomplished by having a strategy set up and utilizing the strategy to keep up the base levels set up in Table 2A-3. Given that… a technique is being utilized, an office would be in consistence… regardless of the possibility that there are some individual signs that don\'t meet the… levels at a specific point in time. Rundown of New Language

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Compliance Periods From "Successful" Date of Final Rule (January 22, 2008): Establish and execute method(s) 4 yrs (January, 2012) Replace distinguished administrative, cautioning, ground-mounted guide signs (aside from road name) 7 yrs (January, 2015) Replace recognized road name & overhead guide signs 10 yrs (January, 2018)

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Exempt Signs Parking/Standing/Stopping Walking/Hitchhiking Adopt-A-Highway Blue or Brown Backgrounds Exclusive Use of Bikes or Peds Note: Must even now meet different requirements in MUTCD (inspections, retroreflective, etc,)

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More Information ATSSA www.retroreflectivity.net Primer on retroreflectivity Common inquiries FHWA fhwa.dot.gov/retro Summary Brochure Final Rule Power Point Presentations Newsletter Articles Frequently Asked Questions

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Funding December 2008 Letter from FHWA Locals: Do some homework Talk to your state DOT Consider life/cycle costs Stimulus bundle – get prepared ? Basic PS&E bundle

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