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| Iowa Primary Highway System | |
|---|---|
 Highways that changed jurisdiction in 2003 | |
| System information | |
| Notes | Primary highways in Iowa are generally state-maintained. |
| Highway names | |
| Interstates | Interstate X (I-X) |
| US Highways | U.S. Highway X (US X) |
| State | Highway X (IA X or Iowa X) |
| System links | |
On July 1, 2003, the Iowa Department of Transportation transferred control of more than 700 miles (1,100 km) of highway to county and local governments in order to save money and to increase operational efficiency. Most of the highways turned over were short spurs connecting small, rural communities and state parks to the highway system.[1]
Background
Starting in 1979, staff members with the Iowa Department of Transportation (DOT) along with county and municipal officials began to reclassify every mile of Iowa's 113,000-mile (182,000 km) public road system. These classification boards found that on the 10,000 highway miles (16,000 km) in the primary system, which comprises Interstate Highways, U.S. Highways, and state highways, nearly 1,000 miles (1,600 km) were minor highways that primarily served local traffic. Conversely, they found 400 miles (640 km) of major highways that were on the secondary system, which is made up of all rural roads not on the primary highway system.[2] At the time, the Iowa Code provided a mechanism for the transfer of jurisdiction of roads within the state. The two sides would meet and if it was deemed that the road in question needed repairs, the relinquishing body would either make repairs or pay the accepting body the money needed to repair the roadway.[3]
Most of the time, the DOT was able to come to an agreement with the county board of supervisors as 600 miles (970 km) of Iowa roads changed hands in the early 1980s. Some counties and the state could never come to an agreement, as was the case in Johnson County regarding Iowa Highway 979 (Iowa 979). The DOT wanted Johnson County to take over maintenance of the 6-mile-long (9.7 km) road and offered $160,000 to repair the road (equivalent to $400,000 in 2023[4]), while the county wanted the state to take over another road. Both sides reached an impasse.[5] Ultimately, Iowa 979 stayed under DOT control. During the 1990s, Iowa experienced a boom in highway construction bolstered by state appropriations from the National Highway System Designation Act of 1995. New four-lane highways were built all across the state, either by twinning an existing roadway or building new alignments in proximity to the old roads. After opening the new roads, these short segments often stayed on the primary highway system despite not serving an arterial purpose.
In 2002, the Road Use Tax Fund Committee, a mix of city, county, and state transportation officials, met to review and recommend changes to Iowa's public road system. The report was necessitated by increasing costs to maintain the highway system and a level of funding that was not keeping up with the rising costs. The committee identified over 700 miles (1,100 km) of state highways which could be turned over to local jurisdictions.[6] Not wanting to repeat the impasses of the 1980s, the DOT got help from state legislature. The general assembly passed SF 451, which gave the DOT a one-time exemption from §306.8, which required the DOT to otherwise compensate a county for giving control of a road. Any roads identified by the Road Use Tax Fund Committee for which a transfer agreement pursuant to §306.8 had not been reached prior to July 1, 2003, would be summarily given to the respective counties without compensation. Even more, counties could not figure any roads offloaded to counties through this mechanism into the calculations for determining their road maintenance budgets for ten years.[7]
Some counties were proactive with negotiating with the state. Early in 2003, it was not clear to county officials just how much money would be given to the counties for accepting roads from the state. This made the counties more amenable to accepting money for highways than in previous years. Taylor County officials negotiated a $4.7 million transfer (equivalent to $7.46 million in 2023[4]) of Iowa 49 with the DOT, while Adams County officials did not. The DOT paid out $35 million (equivalent to $55.6 million in 2023[4]) to counties before the July 1, 2003, deadline.[8]
Routes affected
| Number | Length (mi)[9][a] | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes |
|---|---|---|---|---|---|---|---|
 US 6
|
14.842 | 23.886 | I-80 near Dexter | US 169 in Adel | 1931 | current | Rerouted over I-80 and US 169 |
 Iowa 15
|
4.655 | 7.491 | Route 15 south of Milton | Iowa 2 at Milton | 1969 | 2003 | |
 Iowa 36
|
2.983 | 4.801 | Wall Lake | US 71 / Iowa 175 at Wall Lake | 1920 | 2003 | |
 Iowa 40
|
3.524 | 5.671 | Allerton | Iowa 2 near Corydon | 1926 | 2003 | |
 Iowa 41
|
1.827 | 2.940 | Malvern | US 34 near Malvern | 1920 | 2003 | |
 Iowa 45
|
1.324 | 2.131 | Manilla | Iowa 141 near Manilla | 1920 | 2003 | |
 Iowa 49
|
27.228 | 43.819 | Iowa 2 at Bedford | US 34 near Lenox | 1920 | 2003 | |
 Iowa 50
|
7.135 | 11.483 | US 169 near Fort Dodge | Lehigh | 1920 | 2003 | |
 Iowa 55
|
4.506 | 7.252 | Seymour | Iowa 2 east of Promise City | 1934 | 2003 | |
 Iowa 66
|
7.011 | 11.283 | Iowa 2 near Benton | Diagonal | — | 2003 | |
 Iowa 68
|
1.933 | 3.111 | Melrose | US 34 near Melrose | — | 2003 | |
 Iowa 77
|
2.685 | 4.321 | Iowa 92 near Keota | Keota | — | 2003 | |
 Iowa 79
|
5.637 | 9.072 | Geode State Park | US 34 in Middletown | 1980 | 2003 | |
 Iowa 82
|
3.773 | 6.072 | Blairsburg | US 30 near Blairsburg | 1920 | 2003 | |
 Iowa 83
|
14.562 | 23.435 | Iowa 191 at Neola | US 59 in Avoca | — | — | Remainder of route unchanged |
 Iowa 91
|
4.643 | 7.472 | Iowa 9 near Little Rock | MN 91 near Ellsworth, Minn. | 1980 | 2003 | |
 Iowa 94
|
11.168 | 17.973 | Palo | US 151 Business in Cedar Rapids | 1966 | 2003 | |
 Iowa 97
|
1.532 | 2.466 | Russell | US 34 near Russell | — | 2003 | |
 Iowa 99
|
33.232 | 53.482 | US 34 in Burlington | US 61in Wapello | 1931 | 2003 | |
 Iowa 102
|
15.401 | 24.786 | Iowa 163 at Pella | New Sharon city limits | 1980 | 2003 | Section within New Sharon limits remains |
 Iowa 103
|
27.579 | 44.384 | US 218 / Iowa 27 near West Point | US 61 / Iowa 2 in Fort Madison | — | 2003 | |
 Iowa 107
|
27.579 | 44.384 | Iowa 3 near Alexander | US 18 in Clear Lake | 1920 | 2011 | Portions within Meservey and Thornton remained |
 Iowa 109
|
1.268 | 2.041 | Oxford | US 6 near Oxford | — | 2003 | |
 Iowa 113
|
1.187 | 1.910 | Iowa 64 near Preston | Spragueville | 1938 | 2003 | Previous extended to Iowa 62 |
 Iowa 115
|
1.237 | 1.991 | Viking Lake State Park | US 34 near Stanton | 1980 | 2003 | |
 Iowa 124
|
2.567 | 4.131 | Iowa 4 | Twin Lakes State Park | 1924 | 2003 | |
 Iowa 131
|
4.520 | 7.274 | Iowa 21 in Belle Plaine | US 30 near Belle Plaine | — | 2003 | Section of Lincoln Highway |
 Iowa 133
|
0.970 | 1.561 | US 30 at Nevada | Nevada | 1963 | 2003 | |
 Iowa 142
|
20.901 | 33.637 | Iowa 2 at Plano | Iowa 5 at Moravia | 1980 | 2003 | |
 Iowa 145
|
7.408 | 11.922 | I-29 near Thurman | US 275 near Sidney | 1931 | 2003 | |
 Iowa 147
|
6.706 | 10.792 | Rockford | Iowa 14 near Roseville | — | 2003 | |
 Iowa 156
|
4.478 | 7.207 | Iowa 5 near Attica | Bussey | — | 2003 | |
 Iowa 157
|
1.032 | 1.661 | US 63 near Lime Springs | Lime Springs | — | 2003 | |
 Iowa 161
|
1.224 | 1.970 | Iowa 141 west of Dedham | Iowa 141 south of Dedham | — | 2003 | |
 Iowa 181
|
9.596 | 15.443 | Melcher-Dallas | Iowa 5 / Iowa 92 near Pleasantville | — | 2003 | |
 Iowa 183
|
31.143 | 50.120 | US 6 in Council Bluffs | Iowa 127 near Mondamin | 1930 | current | Remainder of route unchanged |
 Iowa 191
|
18.334 | 29.506 | US 6 at Council Bluffs | I-680 near Neola | 1930 | current | Remainder of route unchanged |
 Iowa 193
|
10.852 | 17.465 | US 18 near Alpha | Iowa 24 at Jackson Junction | — | 2003 | |
 Iowa 195
|
2.896 | 4.661 | Iowa 4 near Plover | Plover | — | 2003 | |
 Iowa 197
|
2.567 | 4.131 | Iowa 3 near Albert City | Albert City | — | 2003 | |
 Iowa 198
|
2.231 | 3.590 | Garrison | US 218 near Garrison, Iowa | — | 2003 | |
 Iowa 199
|
2.666 | 4.291 | US 30 near Van Horne | Van Horne | — | 2003 | |
 Iowa 200
|
2.163 | 3.481 | US 30 near Keystone | Keystone | — | 2003 | |
 Iowa 201
|
4.755 | 7.652 | Norway | US 30 near Norway | — | 2003 | |
 Iowa 204
|
5.407 | 8.702 | Iowa 2 near Leon | Garden Grove | — | 2003 | |
 Iowa 205
|
2.927 | 4.711 | US 65 near Milo | Milo | — | 2003 | |
 Iowa 206
|
6.221 | 10.012 | US 65 near Liberty Center | Lacona | — | 2003 | |
 Iowa 207
|
3.058 | 4.921 | I-35 near New Virginia | New Virginia | — | 2003 | |
 Iowa 214
|
5.736 | 9.231 | Iowa 175 near Ivester | Wellsburg | — | 2003 | |
 Iowa 215
|
8.738 | 14.062 | Union | Iowa 175 at Eldora | — | 2003 | |
 Iowa 221
|
3.909 | 6.291 | I-35 near Story City | Roland | — | 2003 | |
 Iowa 225
|
7.688 | 12.373 | Sully | Iowa 146 at Searsboro | — | 2003 | |
 Iowa 229
|
5.233 | 8.422 | Garwin | US 63 near Garwin | — | 2003 | |
 Iowa 231
|
4.068 | 6.547 | US 34 west of New London | US 34 east of New London | — | 2003 | |
 Iowa 238
|
1.063 | 1.711 | Iowa 9 near Harris | Harris | — | 2003 | |
 Iowa 239
|
0.510 | 0.821 | Waubonsie State Park | Iowa 2 near Sidney | 1931 | 2003 | |
 Iowa 240
|
6.389 | 10.282 | Royal | US 71 near Greenville | — | 2003 | |
 Iowa 242
|
5.855 | 9.423 | US 34 near Glenwood | Silver City
Zdroj:https://en.wikipedia.org?pojem=Iowa_Highway_181 Text je dostupný za podmienok Creative Commons Attribution/Share-Alike License 3.0 Unported; prípadne za ďalších podmienok. Podrobnejšie informácie nájdete na stránke Podmienky použitia.
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