Iowa Department of Transportation

DAVENPORT, Iowa – July 31, 2020 – Work to construct asphalt shoulders on the on- and off-ramps on U.S. 30 and Iowa 1 in Mount Vernon and on U.S. 30 at Lisbon Avenue in Lisbon requires closing the ramps to traffic starting on Wednesday, August 5, weather permitting, according to the Iowa Department of Transportation’s Davenport construction office.

During the ramp closures in Mount Vernon and Lisbon, motorists should be aware of changing traffic patterns and will be directed onto a detour route with digital message signs.

The Iowa DOT reminds motorists to drive with caution, obey the posted speed limit and other signs in the work area, and be aware that traffic fines for moving violations are at least double in work zones. As in all work zones, drivers should stay alert, allow ample space between vehicles, and wear seat belts.

The latest traveler information is available anytime through our 511 system. Visit; call 511 (within Iowa) or 800-288-1047 (nationwide); stay connected with 511 on Facebook or Twitter (find links at; or download the free app to your mobile device.

To receive email or text alerts about traffic incidents, road closures, traffic delays, and other restrictions that affect this highway route or other routes you travel, the Iowa DOT offers the “Your 511” option on It’s easy to subscribe to Your 511 and sign up to receive the email/text alerts. Visit for simple, step-by-step instructions.


Contact: Ahmad Afifeh at 563-391-2750 or

Source: iowa DMV

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