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Policy Information

Highway Statistics 2008

Measured Pavement Roughness - 2008 HMPS Data Reporting Details 1/

October 2009
Table HM-66

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STATE STRUCTURES INCLUDED? MEASUREMENT WHEELPATH MEASUREMENT LANE(S) 2/ HALF-CAR/ QUARTER-CAR MEASUREMENT DIRECTION 3/
Alabama No Both Outside Quarter-car Ascending
Alaska          
Arizona No Both Outside   Ascending
Arkansas No Both Outside Quarter-car Ascending
California No Both   Quarter-car  
Colorado   Both Outside   Both for 4-lane and divided; NB, EB off-system
Connecticut Yes Both Outside Quarter-car Both; NB, EB Ascending
Delaware   Both Outside (mostly) Quarter-car Ascending
Dist. of Columbia          
Florida No Both Outside (mostly) Quarter-car One direction for total system
Georgia No Both Outside Half-car  
Hawaii Yes Both Outside Quarter-car Ascending; Both for divided
Idaho Yes Right Outside Quarter-car Varies; Both for divided
Illinois No Both Outside (mostly) Quarter-car SB, EB; Both for divided
Indiana          
Iowa No Both   Quarter-car Both for divided; NB, EB other
Kansas No Right Outside Quarter-car Varies
Kentucky No Both Outside Quarter-car Both
Louisiana No Both Outside   Ascending
Maine Yes Both Outside Half-car Varies
Maryland Yes Both Outside    
Massachusetts No Both Outside Half-car Both for divided
Michigan          
Minnesota Yes Both Outside Quarter-car Both
Mississippi Yes Both Outside Quarter-car NB, EB; Both for divided
Missouri          
Montana Yes Both Outside Quarter-car Ascending
Nebraska Yes Right Outside Quarter-car Both for 4-lane; varies for 2-lane
Nevada          
New Hampshire          
New Jersey Yes Both Outside Half-car Both; varies
New Mexico No Both Outside Quarter-car Both for divided; Ascending 2-lane/way
New York No Both Outside (mostly) Quarter-car Both for Interstate; NB, EB other (mostly)
North Carolina          
North Dakota Yes Both Outside Quarter-car Both for 4-lane; varies for 2-lane
Ohio No Both Outside Quarter-car Both for divided; varies for other
Oklahoma          
Oregon No Both Outside Quarter-car Ascending for Interstate; varies for other
Pennsylvania No Both Outside Quarter-car Varies for other; Both for divided
Rhode Island Yes     Quarter-car  
South Carolina     Outside    
South Dakota Yes Both Outside Quarter-car All; outside lanes for divided
Tennessee No Both Outside Quarter-car Both for Interstate; Ascending for other
Texas Yes Both Varies Quarter-car Varies
Utah No Both Outside Quarter-car Both for Interstate and divided; consistent for other
Vermont No Right Outside Quarter-car Ascending
Virginia          
Washington No Both Outside Quarter-car Both for divided; varies for other
West Virginia No Both Outside Quarter-car NB, EB
Wisconsin Yes Left Outside Quarter-car NB, EB
Wyoming Yes Both Outside Half-car Ascending
Puerto Rico   Both   Half-car  

1/ Information in this table is intended to represent State data collection and HPMS reporting practices as submitted to FHWA and may not necessarily reflect practices used for other State purposes.

2/ The outside lane is typically the rightmost lane on multi-lane facilities in the direction of travel.

3/ NB=Northbound, SB=Southbound, EB=Eastbound, WB=Westbound. Ascending=direction of increasing or ascending milepoints.

Updated: 01/03/2012

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