| No. | Year(s) | Old/Co. | Length | On list |
Proof of life | Other notes |
| 925 | 1980-July 1, 2003 |
US 6 Adair/ Guthrie/ Dallas |
26.11 | Y | 
Below: 2001 |
Since reroute of 6 in 1980 with first 926 and 927 |
| 926 | 1980 -1981 -1988 |
US 6 Polk/ Jasper |
6.6 (1980) 3. 2 (1981) |
D |  Only
926 in Altoona and east of 117 to I-80 (1981 map) |
Stretch not all 926, but marked as such here; now F48 |
| 926 | 1990 |
IA 7 and US 20 Webster |
3.17 | N | 
 2001 |
E'most part of IA 7; now Bus. 169 |
| 927 | 1980-July 1, 2003 |
US 6 Muscatine/ Cedar/ Scott |
19.02 | Y | 
2001 |
Signs up in 1989 |
| 928 | 1980, 1987 (-1988) -July 1, 2003 |
US 20 (Webster/) Hamilton |
17.2 (1980) 30.6 (1987) 20.58 (2003) |
Y |
|
Not in Webster City; signs on I-35; incl. part through Williams; W end at IA 17 ('80), Ft. Dodge ('87), then county line ('88-'03) |
| 929 | 1980-July 1, 2003 |
IA 152 Clarke |
0.79 | Y | 
 
2001 DeLorme |
1 of 3 from decom'd state routes; in wrong spot on DeLorme |
| 930 | 1975 (-1980) (-1989) |
US 30 Boone (Story/ (Marshall) |
48 (1975) 12.9 (1980) 2.3 (1989) 1.79 (2002) |
N(!) |
* Jason's research says segment in Ames decom'd in '80, only part in Story Co. was btwn. line and WCL Ames; 0.5 mi. (WCL to line) gone in '89 |
Story Co. decom'd in '80, maybe in 2 parts; Marshall decom'd in '89; only in Boone Co. (W of R38) |
| 931 | 1980-2003 |
none (F32) Polk |
8.96 | D | 
Below: 2002 PDF |
931 and 945 came from nowhere, not part of any old road Unsigned in 2001; see 945 Turned over to Polk Co. in other contract |
| 932 | Late 1970s -July 1, 2003 |
IA 13 Delaware |
0.19 (1003 ft., ca. 334 yds.) |
Y | 
 |
|
| 933 | 1977-1984 |
IA 141 Dallas |
0.7 | D |  1977
(possible candidate-Perry); Jason Hancock's research: "Both
ends at IA 141" |
Prob. from 141 bypass |
| 933 | 1985-? |
IA 58 Black Hawk |
? | D | Iowa Traveler's Atlas, 1993: Waterloo map shows that old piece of IA 58 near southwest corner of US 20/IA 58 interchange had this number | Decom'd after 1993 |
| 934 | Mid-1970s -1980 |
US 61 Des Moines |
1.1 | D | 
1977 Burlington |
Began after 1974 |
| 934 | 1981-1989 |
IA 90 Polk |
1.1 | D | Jason Hancock's research: "Dallas/Polk county line to I-35" | Now in WDM limits |
| 934 | 1990-1991 |
US 20 Webster |
4.8 | D | 
1991 |
W part of current Bus. 20 |
| 934 | 1992-1994 |
US 34 Lucas |
0.19 (1003 ft., ca. 334 yds.) |
D | Jason Hancock's research: "It was a short stub of old 34 east of the IA 97 intersection." | |
| 934 | 1998 |
none at time (was US 218) Black Hawk |
4.82 | N |   2001 |
University Avenue btwn. 58 and 63/218 after 58 extension |
| 935 | Mid-1970s -1980 |
US 34 Des Moines |
0.77 | D | Jason Hancock's research: "US 34 to West Burlington WCL, probably the old segment of US 34 extending eastward from the west end of the freeway." (Freeway was constructed 1974-76) | |
| 935 | 1982-July 1, 2003 |
IA 370 Mills |
1.49 | Y | 
 2001 |
Mills Co. only; old 370 in Pottawatt. H10 on PDF map (and now signed as such) |
| 936 | ?-1996 |
? Des Moines |
0.09 (475 ft., ca. 158 yds.) | D | Jason Hancock's research: "WCL-ECL of Burlington, not sure what this road was" | |
| 936 | 1997 (-April 1, 2003) |
IA 92? Washington |
0.27 | Y |
See 923 entry on p. 1 for more context. |
Purpose of segment unknown; turned over on April 1 |
| 937 | 1977-July 1, 2003 |
IA 141 Dallas |
0.46 | Y | 
 |
Just to the left of the US 169 i'change |
| 938 | 1975-1980 |
IA 116 Delaware |
1.6 | D | Jason Hancock's research: "US 20 to fish hatchery in Delaware County" | 116 itself used for secret # in 1990s |
| 938 | 1980-Jan. 14, 2003 |
IA 369 Appanoose |
0.46 | D | 
 |
T61 in U'ville; old part of spur |
| 939 | Mid-1970s |
IA 2 Wayne |
6.7 | D | 
1974 |
Before '74 to before '77 |
| 939 |
(1976) 1980, 1983 |
US 20 Buchanan (/Black Hawk) |
12.4 (1980) 29.2 (1983) 18.94 (2003) |
Y | 
1981 2001 |
Orig. 150-187; extended to 297 in '83, but decom. in Black Hawk '86 |
| 940 | ?-1980 |
? Appanoose |
2.51 | D | Jason Hancock's research: "Westward from WCL of Centerville, unsure where" | |
| 940 |
1980-July 1, 2003 (Tama Co. part of 212 turned over 5/27/80) |
IA 212 Benton |
0.08 (422 ft., ca. 140 yds.!) |
Y | 
 |
Signed as E66, even in Benton Co.; enter Tama Co. almost as soon as you turn |
| 941 | Mid-1970s -1981 |
IA 5 Appanoose |
3 | D | 
2002 PDF (gray); compare top of map to 1981 below |
Old route shown better in recent maps |
| 941 | 1981 -1986 -1987 |
US 30/218 Linn |
6.4 (1981) 0.2 (1986) |
D | 
1986 |
6th St. N of 30 was 941; S of 30 was 965 after '85; 941 was 6th, 16th Ave. |
| 941 | 1988-1990 |
US 20? Dubuque |
1.1 | D | Jason Hancock's research: "US 20 to Epworth" | Desig. when 4-lane done |
| 941 | 1991 (-1994) -July 1, 2003 |
US 20 Hamilton/ Hardin |
15.7 (1991) 13.97 (now) |
Y | 
 2001 DeLorme
1995 |
Signed on maps in 1994-95 and 2003; NOT signed on I-35; IA Falls piece gone '94 |
| 942 | Mid-1970s -1981 |
IA 5 Monroe |
5.7 | D | 
1981 (blue in '77 map for unknown reason) |
Other half of old piece, w/ first 941 |
| 942 | 1980-July 1, 2003 |
IA 104 Clarke |
0.47 (2481 ft., ca. 827 yds.) |
Y | 
 |
Last of three leftovers from decom'd spurs |
| 943 | 1974-1980 |
IA 13 Linn |
0.7 | D | Jason Hancock's research: "Old IA 13 in Central City" | Result of 13's 4-laning |
| 943 | 1980-1987 |
IA 328 Ida |
0.4 | D | Jason Hancock's research | In Galva, like 942 |
| 943 | 1988-1990 |
IA 12 Woodbury |
0.5 | D | Jason Hancock's research: "'Old IA 12 ramp' in Sioux City" | |
| 943 | 1994-1995 |
US 63 Bremer |
1.8 | D | Jason Hancock's research | Old 63 in Denver |
| 944 | ?-1980 |
? Delaware |
1 | D | Jason Hancock's research: "IA 13 to Manchester, not sure what road this was." | |
| 944 | 1980-July 1, 2003 |
IA 88 Lee |
0.56 | Y | 
 |
Inside Ft. Madison city limits |
| 945 | 1979-1980 |
? Lee |
0.3 | D | Jason Hancock's research: "route not specified" | |
| 945 | 1980-2003 |
none (S14) Polk |
4.61 | D | 
2001 (unmarked; see 931 for marked) |
Came from nowhere; signs on I-80 Turned over to Polk Co. with 931 |
1977 (Left: Boone; Below: Story)
1981 (broken)*
2001
(Story Co. segment incorrect)
In gray; compare to the 218/92
interchange ramps. Vertical black line is IA 923 (old 218).