HomeNews Jackknifed semi blocks I-80 west of Jordan Creek Parkway By The Perry News - January 17, 2020 0 1011 FacebookTwitterPinterestWhatsApp File photo A jackknifed semi-tractor trailer is currently blocking U.S. Interstate 80 in West Des Moines between Jordan Creek Parkway and Ashworth Road. Traffic is snarled near the accident, and motorists are advised to avoid the area.