Figure 1-1: Urban Road Conditions in the District of Columbia: 2000,,,,,,
(Miles),,,,,,
,Interstate ,Other freeways and expressways,Other principal arterial ,Urban minor arterial ,Urban collector,
Total,13,18,87,N,N,
   Very good ,0,0,0,N,N,
   Good,3,0,0,N,N,
   Fair,2,7,7,N,N,
   Mediocre ,1,5,22,N,N,
   Poor,7,6,58,N,N,
(Percent),,,,,,
,Interstate ,Other freeways and expressways,Other principal arterial ,Urban minor arterial ,Urban collector,
Total,100,100,100,N,N,
Very good ,0,0,0,N,N,
Good,23,0,0,N,N,
Fair,15,39,8,N,N,
Mediocre ,8,28,25,N,N,
Poor,54,33,67,N,N
KEY FOR DATA ON THIS PAGE: N = data do not exist.,,,,,
NOTE: Numbers may not add to 100 due to rounding.,,,,,
"NOTE FOR DATA ON THIS PAGE: Road condition is based on measured pavement roughness using the International Roughness Index (IRI). IRI is a measure of surface condition.  A comprehensive measure of pavement condition would require data on other pavement distresses such as rutting, cracking, and faulting.  ",,,,,
"SOURCE FOR DATA ON THIS PAGE: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics, Washington, DC: annual editions, tables HM-63 and HM-64, available at http://www.fhwa.dot.gov/ as of                             Feb. 1, 2002.",,,,,