Scott County, Iowa
No doubt indignant about having to share four lanes of highway with I-80 west of Walcott, Route 6 just flipped. Just east of here, by the way, is the world's largest truck stop. (August 2001 photo)
	Although Route 6 skirted the north edge of Walcott and never went through downtown, its predecessor roads did. And here along the main drag we find this magnificent castle. Now a residence, it once was a ballroom/dancehall. (March 1997 photo) This main part of Walcott is about a mile and a half south of the current Route 6, which is duplexed with I-80. The town annexed territory all the way up to, and including, the Iowa-80 Truckstop in the early 1990s.
The original route 6, then for many years City Route 6, passed right by this classic Chicago, Rock Island and Pacific Railroad depot in downtown Davenport. The railroad first entered Davenport in 1856 when the first railroad bridge connected that Iowa city with Rock Island, Illinois, across the Mississippi River. (1920s postcard)

This 1940s aerial photograph shows downtown Davenport, bridges crossing the Mississippi River to connect with Rock Island, and Locks and Dam #15. The original Route 6 passed through downtown then over the Government Bridge, shown in the foreground. In the late 1930s, the highway was rerouted to cross the river between Bettendorf and Moline. The locks and dam were completed in 1934 under the watchful eyes of Route 6 travellers. The complex includes the largest roller dam in the world and was the first of 27 locks and dams to be built on the Upper Mississippi. Downstream a bit is the Centennial Bridge, completed in 1940 as the first four-lane highway bridge to cross the Mississippi.

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