Accident reported on southbound I-35 near 18th An accident was reported at 1:04 p.m. Tuesday, April 6, on southbound I-35 near 18th Street Expressway, according to KC Scout. Traffic should be prepared to stop, according to KC Scout. (KC Scout photo) An accident was reported at 1:04 p.m. Tuesday, April 6, on southbound I-35 near 18th Street Expressway, according to KC Scout. (KC Scout photo)