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Table HM-66 - Highway Statistics 2007 - FHWA

Highway Statistics 2007

Measured Pavement Roughness - 2007 HPMS Data Reporting Details 1/

OCTOBER 2008
Table HM-66

Excel Version (44 kb)
PDF Version (13 kb)

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.

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Page last modified on November 7, 2014.
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