 | A traffic signal in Burlington. Photo on SB U.S. Rt. 61. (May, 2005) |
 | A traffic signal in Clinton. Photo on NB U.S. Rt. 67. (May, 2005) |
 | A traffic signal in Downtown Clinton. (May, 2005) |
 | A traffic signal in Muscatine. Photo on NB BUSN U.S. Rt. 61/EB IA St Rt 92. (May, 2005) |
 | A traffic signal in Iowa. Photo on WB IA St Rt 9/SB IA St Rt 76 in Waukon. (June, 2005) |
 | A traffic signal in Iowa. Photo on SB U.S. 69 in Osceola. (October, 2011) |
 | A traffic signal in Iowa. Photo in Creton. (October, 2011) |
 | A traffic signal in Iowa. Photo on SB BUSN U.S. Rt. 71/EB BUSN IA St Rt 2 in Clarinda. (October, 2011) |
 | A traffic signal in Iowa. Photo on SB U.S. Rt. 67 in Bettendorf. (March, 2012) |
 | A traffic signal in Iowa. Photo on SB BUSN U.S. Rt. 61/WB IA St Rt 92 in Muscatine. (June, 2012) |
 | A traffic signal in Iowa. Photo on NB CCH X30 in West Branch. (December, 2013) |
 | A traffic signal in Iowa. Photo on WB JCH F28 in West Liberty. (December, 2013) |
 | A traffic signal in Iowa. Photo on IA 1 in Mt. Vernon. (December, 2013) |
 | A traffic signal in Iowa. Photo in Tipton. (December, 2013) |
 | A traffic signal in Iowa. Photo in Coralville. (September, 2019) |
 | A traffic signal in Iowa. Photo on U.S. 20 at Locust in Dubuque. (October, 2021) |
 | A traffic signal in Iowa. Photo on BUSN U.S. 218 at 3rd in Waverly. (August, 2024) |
