 Parts.cat.com is your fast, simple, all-in-one solution for ordering genuine cat parts. Get the parts you need on your schedule from wherever you are. Parts.cat.com. Right parts, right place, right time. On the eastbound lanes of the freeway, some heavy traffic starts right about Robinson Road, and then it's congested over to 10-mile, where it's slow until you get past Eagle Road, congested over to 5-mile.