Work on traffic loop signals on US 23 South were delayed a day, now taking place Wednesday, May 17. Traffic signal loop replacements along US 23 in Coal Run on Tuesday, May 16, at Big Lots. Signal loops will be replaced across four lanes of traffic at the Kentucky Blood Center on US 23 South. That work should take three to four hours, weather permitting. Lanes will be closed one at a time while the work is under way.