Pavement Preservation in Maryland
Pavement Preservation in Maryland Nate Moore Pavement Management MD State Highway Administration [email protected] April 30, 2015
Maryland – Current Stats
Area – 42nd largest state Population - 5.93 million [Maryland is the 19th] Population Density – 5th Mobility/Congestion – 48th* Cost/Mile – High *2013 Hartgen Report – Reasons Foundation
2
Featuring Appalachian Mountains, the Chesapeake Bay Watershed, Piedmont soils, and the Atlantic Coastal plain. -7 Engineering Districts
Seven Engineering Districts
PPRA, November 17 - 19, 2014
MD SHA
4
Maryland – Accomplishments
5
Pavement Treatments By Type and Lane Miles 3,000 Lane Miles
2,500 2,000 1,500
Reconstruction
1,000
Major Rehab
500 Reconstruction Major Rehab Structural Overlay Minor Rehab Preventive Maint
Structural Overlay 2012 6 12 144 1,516 2,044
2013 3 4 101 1,363 1,811 MD SHA
2014 7 2 112 1,295 2,815
Minor Rehab Preventive Maint
Major Rehabilitation 9 8
Lane Miles
7
Bonded Concrete Overlay
6 Grind & >=4" Asphalt Overlay
5 4
Rubbilization & Overlay
3 Reconstruction
2 1 0 2011
2012
2013
2014 MD SHA
Structural Overlay (Grade Increase >1.5”)
160 140
Lane Miles
120 100
Grind & Asphalt Overlay Grind & Overlay Gap SMA
80
Asphalt Overlay
60
Asphalt Overlay Gap SMA
40 20 0 2011
2012
2013 MD SHA
2014
Minor Rehabilitation 1200 1000
Lane Miles
Grind and Asphalt Overlay 800 Grind and Asphalt Overlay Gap SMA
600
1.5" Asphalt Overlay 400 1.5" Asphalt Overlay Gap SMA
200 0 2011
2012
2013 MD SHA
2014
Preventive Maintenance 500
Lane Miles
400 300 200 100 Asphalt Patching Concrete Pvt Restoration Crack Seal High Friction Surface Microsurface Surface Abrasion Thin Asphalt Overlay (
Maryland – Current Stats
Area – 42nd largest state Population - 5.93 million [Maryland is the 19th] Population Density – 5th Mobility/Congestion – 48th* Cost/Mile – High *2013 Hartgen Report – Reasons Foundation
2
Featuring Appalachian Mountains, the Chesapeake Bay Watershed, Piedmont soils, and the Atlantic Coastal plain. -7 Engineering Districts
Seven Engineering Districts
PPRA, November 17 - 19, 2014
MD SHA
4
Maryland – Accomplishments
5
Pavement Treatments By Type and Lane Miles 3,000 Lane Miles
2,500 2,000 1,500
Reconstruction
1,000
Major Rehab
500 Reconstruction Major Rehab Structural Overlay Minor Rehab Preventive Maint
Structural Overlay 2012 6 12 144 1,516 2,044
2013 3 4 101 1,363 1,811 MD SHA
2014 7 2 112 1,295 2,815
Minor Rehab Preventive Maint
Major Rehabilitation 9 8
Lane Miles
7
Bonded Concrete Overlay
6 Grind & >=4" Asphalt Overlay
5 4
Rubbilization & Overlay
3 Reconstruction
2 1 0 2011
2012
2013
2014 MD SHA
Structural Overlay (Grade Increase >1.5”)
160 140
Lane Miles
120 100
Grind & Asphalt Overlay Grind & Overlay Gap SMA
80
Asphalt Overlay
60
Asphalt Overlay Gap SMA
40 20 0 2011
2012
2013 MD SHA
2014
Minor Rehabilitation 1200 1000
Lane Miles
Grind and Asphalt Overlay 800 Grind and Asphalt Overlay Gap SMA
600
1.5" Asphalt Overlay 400 1.5" Asphalt Overlay Gap SMA
200 0 2011
2012
2013 MD SHA
2014
Preventive Maintenance 500
Lane Miles
400 300 200 100 Asphalt Patching Concrete Pvt Restoration Crack Seal High Friction Surface Microsurface Surface Abrasion Thin Asphalt Overlay (
