pierce county sign inventory (~1,500 centerline miles of roads) 25,825 traffic signs 2,938 stop...
TRANSCRIPT
Elements of Effective
Sign Maintenance
Pierce County Sign Inventory
(~1,500 centerline miles of roads)
25,825 traffic signs 2,938 STOP & YIELD signs 6,745 warning (W-series) signs 3,160 Speed Limit signs 8,512 street name signs (33%)
Pierce County sign & markings staff
1 - Traffic Operations Supervisor 2 – Office Support Staff 1 - Sign & Markings Supervisor 1 - Seasonal Lead Sign Technician 12 - Traffic Sign Technicians 8 - Seasonal Temporary Employees
Sign Inventoryhow important is it?
A sign inventory is an important element of your sign inspection program.
A sign inventory can be anything from a card file to an inventory software program.
Pierce County Sign Inventory
Home Grown Software Program – “Rubble”
System Divided into Area’s and Sub Areas
Sign Work is Documented by Function Code
Ability To Track Work and SignsTrack work completed by functionTrack signs by age and locationDocument time for reports
Serial Numberstracking sign age
99100237
Serial Number Tagging
Street Name Signsembedded serial numbers
SignInspectionRoute
Listed by Route and Position Number
Sign Inspection route map
N
Pierce Countyregular sign inspection
Quarterly Full Sign InspectionIncludes stop and yield inspection
Monthly Stop and Yield Inspection8 additional monthly inspections
Our data shows that regular sign inspection reduces sign call outs
Inspection Intervals your geographical area ?
VandalismGun ShotGraffiti Stolen
Natural CausesVegetationDirtyEnvironment
Sign Inventoryaccurate dispatch
Sign Maintenance Vehicles
Office of a Sign Technician
The Right Tools For the Job
The Right Hardwaresecurely organized & in place
Sign Storage
Careful Storage of Signs
Standard Sign Inventory
Keeping Sign Posts in Place
After Hours ResponseStop & Yield
After Hours Responseproper equipment
Emergency Preparedness
Vegetation Control
Vegetation Controlthe right tools for the job
Pole Pruner
Loppers & Shears
Load Management
Load CoverLoad Storage
Vandalismresponse & repair
Cleaning Signsthe right tools for the job
Sign Retroreflectivity MUTCD requirements
Final Rule – published Dec 21, 2007 Effective January 22, 2008 4 years to establish/implement
assessment management method 7 years to replace ground-mount signs 10 years to replace overhead signs
Sign Retroreflectivity – MUTCD“shall” statement (standard):
“Public agencies or officials having jurisdiction shall use an assessment or management method that is designed to maintain traffic sign retroreflectivity at or above the minimum levels in Table 2A-3.”
Sign Retroreflectivity – MUTCDguidance:
“One or more of the following assessment or management methods should be used to maintain traffic sign retroreflectivity.”
Assessment/Management Methodsa required element
A. Visual Nighttime InspectionB. Measured RetroreflectivityC. Expected LifeD. Blanket ReplacementE. Control SignsF. Other Supported Methods
Which Method to Use?Control signs /Measured retroreflectivity, Works for Us
Retroreflectivitydata and calculations
Serial # #Sequenc
eResult /
Date
95020557
1 March 6, 2007
W 000001/1 316
W 000001/2 300
W 000001/3 313
R 000001/4 41
R 000001/5 41
R 000001/6 40
RATIO 7.6
White Average 310
Red Average 41
Serial # # Sequence Result / Date
95020557
1 March 6, 2007
White Average 310
Red Average 41
172 March 23, 2007 J une 10, 2008 May 26, 2009 April 30, 2010
W 000172/1 286 283 254 261W 000172/2 287 299 285 267W 000172/3 288 286 273 265R 000172/4 36 37 33 33R 000172/5 31 37 32 33R 000172/6 31 36 32 36
8.8 7.9 8.4 7.8287 289 271 26433 37 32 34
White Average
Red Average
RATIO
Retroreflectivity Programtracking the results
Type III Stop Sign – installed 1995
8.828733
7.826434
Asset Managementgetting the most of your dollars
Cost to Replace = $ 165,000.
Uniformity & Consistency Standards Inventory Maintenance Trucks Inspection After Hours Response
