state road 1 begins at an interchange of interstate 275; this is i-275's only exit in indiana. just after the interchange there is a stop light at u.s. route 50 (us 50). sr 1 travels north-northwest until it reaches i-74; just beyond i-74 it crosses indiana state road 46 (sr 46). sr 1 continues north until it meets u.s. route 52 (us 52) just west of cedar grove. then us 52 and sr 1 continue north-northeast for until they reach brookville; here, us 52 turns west on its way to indianapolis, while sr 1 continues north-northwest for where it meets indiana state road 44 (sr 44). sr 1 and sr 44 travel together for where sr 1 turns north-northeast towards downtown connersville. north of connersville, sr 1 travels north-northwest until it reaches cambridge city, where sr 1 crosses u.s. route 40 (us 40). after the intersection at us 40, sr 1 heads north-northeast. after sr 1 has an interchange with interstate 70 (i-70), then heads due north towards u.s. route 36 (us 36). sr 1 turns east onto us 36 for , then leaves us 36 and travels generally due north until it reaches fort wayne. just south of fort wayne, sr 1 ends at an interchange with interstate 469 (i-469).