Table 1-5: Michigan Road Condition by Functional System -- Urban,,,,,,
(Miles),,,,,,
,1995,1996,1997,1998,1999,2000
Interstate (total reported),500,499,502,500,499,499
   Very good ,29,23,23,15,20,20
   Good,193,189,192,129,179,180
   Fair,108,117,117,131,112,107
   Mediocre ,144,137,137,151,138,143
   Poor,26,33,33,74,50,49
   Not reported,0,0,0,0,1,1
,,,,,,
Other freeways and expressways (total reported),218,221,221,221,225,225
   Very good ,2,2,2,0,8,8
   Good,58,45,45,36,35,35
   Fair,137,154,154,152,141,141
   Mediocre ,20,19,19,28,33,33
   Poor,1,1,1,5,8,8
   Not reported,0,0,0,3,0,0
,,,,,,
Other principal arterial (total reported),"1,875","1,922","1,970","1,959","1,972","1,973"
   Very good ,9,9,9,13,12,12
   Good,112,109,110,103,106,106
   Fair,769,841,869,739,744,742
   Mediocre ,505,480,483,541,533,540
   Poor,480,483,499,563,577,573
   Not reported,98,52,6,17,1,2
,,,,,,
Urban minor arterial (total reported),N,N,N,N,N,517
   Very good ,N,N,N,N,N,22
   Good,N,N,N,N,N,70
   Fair,N,N,N,N,N,254
   Mediocre ,N,N,N,N,N,125
   Poor,N,N,N,N,N,46
   Not reported,N,N,N,N,N,N
,,,,,,
Urban collector (total reported),N,N,N,N,N,39
   Very good ,N,N,N,N,N,0
   Good,N,N,N,N,N,0
   Fair,N,N,N,N,N,7
   Mediocre ,N,N,N,N,N,3
   Poor,N,N,N,N,N,29
   Not reported,N,N,N,N,N,N
,,,,,,
KEY: N = data do not exist.,,,,,,
,,,,,,
"NOTE:  In 2000, the Federal Highway Administration began reporting road condition for urban minor arterials and urban collectors using the International Roughness Index, if available.  In prior years, data were only available using the Present Serviceability Rating.",,,,,,