EVOLVING DEMANDSEVOLVING DEMANDS

• Highway Usage Increased 29% in the 1990’s

• Truck Traffic Increased 40% in the 1990’s

• Truck Traffic Will Increase 3% per year in next 20 years

• Highway Usage Increased 29% in the 1990’s

• Truck Traffic Increased 40% in the 1990’s

• Truck Traffic Will Increase 3% per year in next 20 years

CONSEQUENCESCONSEQUENCES

• Operating Revenues Can’t Keep Pace with Needs

• Highway Agencies Face Increasing Demands with Decreasing Resources

• Operating Revenues Can’t Keep Pace with Needs

• Highway Agencies Face Increasing Demands with Decreasing Resources

The Solution: The Solution:

Pavement PreservationPavement Preservation

Improves the Performance of the Network while Spending Less Program Dollars

Improves the Performance of the Network while Spending Less Program Dollars

Reference:Reference:

MEASUREMEASURE

• Terminology• Terminology

Is there terminology confusion?Is there terminology confusion?

• Design Life

• Service Life

• Life Extension

• Routine Maintenance

• Preventive Maintenance

• Minor Rehabilitation

• Design Life

• Service Life

• Life Extension

• Routine Maintenance

• Preventive Maintenance

• Minor Rehabilitation

Preventive Maintenanceis a component of

Pavement Preservation

Preventive Maintenanceis a component of

Pavement Preservation

Pavement Preservation Programs encompass:

Pavement Preservation Programs encompass:

• Corrective & Routine Maintenance

• Preventive Maintenance

• Minor Rehabilitation

• Corrective & Routine Maintenance

• Preventive Maintenance

• Minor Rehabilitation

Pavement Preservation components include:

Pavement Preservation components include:

• Pavement Management Systems

• Long-Term Network Planning

• Optimization

• Cost-Effective Decision Making

• Sustainable Financing

• Pavement Management Systems

• Long-Term Network Planning

• Optimization

• Cost-Effective Decision Making

• Sustainable Financing

RehabilitationMinor RehabMinor Rehab

Extends LifeExtends Life

1545

0

30

TIMER

1545

0

30

TIMER

Adding More Time

RehabilitationMajor RehabMajor Rehab

Originates LifeOriginates Life

1545

0

30

TIMER

1545

0

30

TIMER

Initiating Time

Preventive Maintenance is NOT about

Maintenance as Usual

Preventive Maintenance is NOT about

Maintenance as Usual

Rehabilitation TriggerRehabilitation Trigger

Original PavementOriginal Pavement

The Pavement Preservation ConceptThe Pavement Preservation Concept

VeryGood

Good

Fair

Poor

VeryPoor

Time (Years)Time (Years)

MEASUREMEASURE

• Business Processes• Business Processes

Preventive Maintenance Projects Need a Different Business ProcessPreventive Maintenance Projects

Need a Different Business Process

• Faster Scoping & Designs(Lower PE costs)

• Blanket Clearances• Expedited Project Reviews• Shorter Construction Duration

(Lower CE costs)

• Faster Scoping & Designs(Lower PE costs)

• Blanket Clearances• Expedited Project Reviews• Shorter Construction Duration

(Lower CE costs)

Preventive Maintenance Projects Need a Different Business ProcessPreventive Maintenance Projects

Need a Different Business Process

• Uniform Specifications• Standard Traffic Control• Abbreviated Advertisements

• Uniform Specifications• Standard Traffic Control• Abbreviated Advertisements

Chip SealChip Seal

Crack SealingCrack Sealing

MEASUREMEASURE

• Integration of Preventive Maintenance into the Pavement Management System

• Integration of Preventive Maintenance into the Pavement Management System

Quality DataQuality Data

• Network Condition

• Planning

• Network Condition

• Planning

PavementManageme

ntDecisionTriangle

PavementManageme

ntDecisionTriangle

Preventive MaintenancePreventive

Maintenance

RehabilitationRehabilitation ReconstructionReconstruction

“Mix of Fixes” Approach“Mix of Fixes” Approach

• Reconstruction

• Rehabilitation

• Preventive Maintenance

• Reconstruction

• Rehabilitation

• Preventive Maintenance

Reconstruction StrategyReconstruction Strategy(20, 25, & 30 Year Fixes)(20, 25, & 30 Year Fixes)

Reconstruction StrategyReconstruction Strategy(20, 25, & 30 Year Fixes)(20, 25, & 30 Year Fixes)

0102030405060708090

100

0 10 20 25 30

PoorPoor FairFair GoodGood

Pe

rce

nt

of

To

tal N

etw

ork

5 15 35 40Years

CombinedReconstruct and Rehab Strategy

(10 to 30 Year Fixes)

CombinedReconstruct and Rehab Strategy

(10 to 30 Year Fixes)

0102030405060708090

100

Poor Fair Good

Pe

rce

nt

of

To

tal N

etw

ork

0 10 20 25 305 15 35 40Years

Combined Reconstruct, Rehab &Preventive Maintenance Strategy

(5 to 30 Year Fixes)

Combined Reconstruct, Rehab &Preventive Maintenance Strategy

(5 to 30 Year Fixes)

0102030405060708090

100

Poor Fair Good

Pe

rce

nt

of

To

tal N

etw

ork

0 10 20 25 305 15 35 40Years

Index Pavement Type

Maximum

Ride Interstate Concrete

400 in/mi

Interstate Asphalt

350 in/mi

All Others 675 in/mi

Rut All 0.95 in

Alligator Cracking

Asphalt 50 ft2/mi

Block Cracking Asphalt 200 ft2/mi

Fatigue Cracking Asphalt 100 ft2/mi

Load Associated Longitudinal Cracking

Asphalt 200 ft2/mi

Transverse Cracking

Asphalt 110 (counts)

Concrete 70 (counts)

Longitudinal Cracking

All 2,000 ft

Corner Breaks Concrete 50 (counts)

MEASUREMEASURE

• Commitment of Leadership• Commitment of Leadership

Indicators of Commitment:Indicators of Commitment:

• Dedicated Budget

• Long-Term Strategy

• Assignment of a Champion

• Support the Change

• Dedicated Budget

• Long-Term Strategy

• Assignment of a Champion

• Support the Change

MEASUREMEASURE

• Training• Training

Training is needed for:Training is needed for:

1. Department Personnel• Maintenance• Design• Construction• Materials• Planners • Contract Agencies

2. Contractors

1. Department Personnel• Maintenance• Design• Construction• Materials• Planners • Contract Agencies

2. Contractors

Training Needs:Training Needs:

• Terminology

• Pavement Indicators for Preventive Maintenance

• Treatment Characteristics

• Work Zone Development

• Inspection

• Terminology

• Pavement Indicators for Preventive Maintenance

• Treatment Characteristics

• Work Zone Development

• Inspection

Training Needs:Training Needs:

• Network Level Planning

• Project Level Planning

• Network Level Planning

• Project Level Planning

MEASUREMEASURE

• Validation of Program• Validation of Program

PMS Data Point

VeryGood

Good

Fair

Poor

VeryPoor

Time (Years)

Life Extension

Georgia’s ResultsSmoothness Trend in AC Overlays

350

500

650

800

950

1100

1250

72 74 76 78 80 82 84 86 88 90 92 94 96 98

Fiscal Year

IRI

Validation of SuccessValidation of Success

• Achieve “Life Extension“ Results

• Lower Rate of Deterioration

• Network Condition Improves

• Fixes are Cost Effective

• Achieve “Life Extension“ Results

• Lower Rate of Deterioration

• Network Condition Improves

• Fixes are Cost Effective

Validation of BenefitsValidation of Benefits

• Increased User Satisfaction

• Improved System Safety

• Reduced Cost/Mile Expenditures

• Lower Life Cycle Cost

• Increased User Satisfaction

• Improved System Safety

• Reduced Cost/Mile Expenditures

• Lower Life Cycle Cost