Pavement Preservation at PennDOT€¦ · Pavement Preservation Condition Assessment Performance Measurement. Bureau of Maintenance and Operations Pavement Management Non-NHS ADT

Pavement PreservationPavement Preservationat PennDOTat PennDOT

NEPPP NEPPP –– December 12, 2007December 12, 2007

Bureau of Maintenance and OperationsBureau of Maintenance and Operations

Pavement ManagementPavement Management

TOPICS:TOPICS:

PennDOT Highway SystemPennDOT Highway System


Pavement PreservationPavement Preservation

Condition AssessmentCondition Assessment

Performance MeasurementPerformance Measurement



21,43921,43921,40321,403NonNon--NHS ADT < 2000NHS ADT < 2000

43,73743,73739,76739,767TotalTotal

13,48313,483

3,5963,596

1,2851,285

TotalTotalLinearLinearMilesMiles

14,38214,382NonNon--NHS ADT NHS ADT ≥≥ 20002000

5,3465,346Other NHSOther NHS

2,5702,570InterstateInterstate

Total Segment Total Segment MilesMilesNetworkNetwork

Segment Mile = Linear Miles for Undivided Routes, Directional Miles for Divided Routes

State Owned Highway System:State Owned Highway System:



Roadway NetworksRoadway NetworksInterstate & NHSInterstate & NHS

Interstate Other NHS

State Owned Roadways



Interstate Other NHS Non-NHS (ADT > 2k)




Roadway NetworksRoadway NetworksInterstate, NHS, and NonInterstate, NHS, and Non--NHSNHS

Interstate Other NHS Non-NHS (ADT > 2k) Non-NHS (ADT < 2k)




Pavement Management:Pavement Management:

Best treatment to apply to a selected pavement sectionBest treatment to apply to a selected pavement section

Maintenance and rehabilitation strategies at the right timeMaintenance and rehabilitation strategies at the right time

Quantify needs over any projected timeQuantify needs over any projected time



Pavement Management:Pavement Management:

Focus on higher level roadways firstFocus on higher level roadways first

Do not neglect lower facilitiesDo not neglect lower facilities

Balance rehabilitation and preservation Balance rehabilitation and preservation

Improve some roadways, preserve othersImprove some roadways, preserve others

Not a Not a ““worst firstworst first”” approachapproach



Pavement Treatment Types:Pavement Treatment Types:

Preservation Preservation –– cost effective treatments to retard future cost effective treatments to retard future deterioration, and maintain or improve functional conditiondeterioration, and maintain or improve functional condition

•• bituminous resurfacing with leveling and/or millingbituminous resurfacing with leveling and/or milling

•• microsurfacingmicrosurfacing

•• seal coatseal coat

•• diamond grindingdiamond grinding

•• base repair / concrete patchingbase repair / concrete patching



Pavement Preservation:Pavement Preservation:

Plan and strategy defined through the Maintenance Plan and strategy defined through the Maintenance Efficiency and Cost Effectiveness (MECE) initiativeEfficiency and Cost Effectiveness (MECE) initiative

Pavement cycle charts to be the basis for selecting Pavement cycle charts to be the basis for selecting appropriate treatments appropriate treatments

Defined cycles for HighDefined cycles for High--level Bituminous, Lowlevel Bituminous, Low--level level Bituminous, Concrete, and Unpaved roadwaysBituminous, Concrete, and Unpaved roadways



Pavement Preservation:Pavement Preservation:

HighHigh--level Bituminous Roadways (Resurfacing Network)level Bituminous Roadways (Resurfacing Network)•• Interstates, NHS routes, high to medium serviceInterstates, NHS routes, high to medium service•• Maintained by routine resurfacingsMaintained by routine resurfacings

LowLow--level Bituminous Roadways (Seal Coat Network):level Bituminous Roadways (Seal Coat Network):•• Maintained by routine seal coatsMaintained by routine seal coats



HighHigh--level Bituminous Roadways (Resurfacing Network)level Bituminous Roadways (Resurfacing Network)ActivityActivity FrequencyFrequencyCrack sealingCrack sealing 3 to 5 years3 to 5 yearsMicroMicro--surfacing (optional)surfacing (optional) 5 to 10 years5 to 10 yearsResurfacingResurfacing 8 to 12 years (with no interim surface seal)8 to 12 years (with no interim surface seal)

13 to 17 years (with an interim surface seal)13 to 17 years (with an interim surface seal)Seal coat paved shoulders (optional)Seal coat paved shoulders (optional) 5 to 7 years5 to 7 years

LowLow--level Bituminous Roadways (Seal Coat Network)level Bituminous Roadways (Seal Coat Network)ActivityActivity FrequencyFrequencyCrack sealingCrack sealing 3 to 5 years3 to 5 yearsSeal coat (rural) or MacroSeal coat (rural) or Macro--surfacesurface 4 to 7 years4 to 7 yearsMicroMicro--surface or level (urban)surface or level (urban) 5 to 6 years5 to 6 yearsResurface or levelResurface or level 15 to 20 years15 to 20 years

Concrete PavementsConcrete PavementsActivityActivity FrequencyFrequencyJoint sealingJoint sealing 5 years5 yearsConcrete patchingConcrete patching Years 15, 20 and 25Years 15, 20 and 25Diamond GrindingDiamond Grinding 15 to 20 years15 to 20 yearsOverlayOverlay 20 to 30 years20 to 30 yearsSeal coat shoulders (if bituminous)Seal coat shoulders (if bituminous) 5 to 7 years5 to 7 years



Functional Pavement Life:Functional Pavement Life:

Full Depth Bituminous Pavements (HighFull Depth Bituminous Pavements (High--level) level) -- 40 years40 years

Concrete Pavements Concrete Pavements -- 35 years35 years

Composite Pavements Composite Pavements -- 60 years60 years



Effect of Pavement PreservationEffect of Pavement Preservation

YEAR

PAVE

MEN

T C

ON

DIT

ION

No Preservation

Preservation

Failed

Fair

Poor

Excellent

Good

Very PoorPAVE

MEN

T C

ON

DIT

ION



Condition Assessment:Condition Assessment:

Skid frictionSkid friction

Structural functionalityStructural functionality

VideologgingVideologging

RoughnessRoughness

•• High SpeedHigh Speed

•• Light WeightLight Weight



Videologging:Videologging:

Replaced manual surveysReplaced manual surveys

RoughnessRoughness

Panoramic roadway imagesPanoramic roadway images

Feature types and locationsFeature types and locations27,000 miles per year27,000 miles per year•• Entire NHS annuallyEntire NHS annually•• NonNon--NHS bienniallyNHS biennially



http://www.dot7.state.pa.us/ividlog/video_locate.asphttp://www.dot7.state.pa.us/ividlog/video_locate.asp



Use of DataUse of Data

Uniform statewide condition evaluationUniform statewide condition evaluation

Allocation of county maintenance fundsAllocation of county maintenance funds

Monitor condition and assess future needsMonitor condition and assess future needs

Monitor performance of pavement designs, materials, Monitor performance of pavement designs, materials, and maintenance techniquesand maintenance techniques

Identify candidate projects Identify candidate projects



Deterioration of Bituminous PavementDeterioration of Bituminous Pavement



Deterioration of Concrete PavementDeterioration of Concrete Pavement



% of Annual Surface Improvement% of Annual Surface Improvement

% Non% Non--NHS Routes with Inadequate Pavement WidthNHS Routes with Inadequate Pavement Width

% Non% Non--NHS w/ NHS w/ >> 2000 ADT with Poor IRI2000 ADT with Poor IRI

% Non% Non--NHS w/ ADT NHS w/ ADT >> 2000 with Excellent & Good IRI2000 with Excellent & Good IRI

% Other NHS with Poor IRI% Other NHS with Poor IRI

% Other NHS with Excellent & Good IRI% Other NHS with Excellent & Good IRI

% Interstate with Poor IRI% Interstate with Poor IRI

% Interstate with Excellent & Good IRI% Interstate with Excellent & Good IRI

MeasureMeasure

System Performance MeasuresSystem Performance Measures

Each year, the rideability of each roadway network is measured and compared to target values.

Also measured is the reduction of pavement with inadequate width.

Finally, the amount of annual surface improvement is tracked.



___High-level bituminous with surface age > 17 years___Low-level bituminous with resurfacing layer > 20 years

___Low-level bituminous with surface age > 7 years

___Concrete with surface age > 30 years

Pavement Cycle Assessment



TOPICSTOPICS

PennDOT Highway SystemPennDOT Highway System


Pavement PreservationPavement Preservation

Condition AssessmentCondition Assessment

Performance MeasurementPerformance Measurement

Documents

Pavement Preservation at PennDOT€¦ · Pavement Preservation Condition Assessment Performance Measurement. Bureau of Maintenance and Operations Pavement Management Non-NHS ADT