state road 1 (sr 1) is a north–south state highway in eastern indiana, consisting of two segments. its southern segment begins at u.s. highway 50 and interstate 275 in east-central dearborn county, just east of lawrenceburg, and ends at interstate 469 south of fort wayne. its northern segment begins at interstate 69 on fort wayne's north side, and ends at u.s. route 20 in east-central steuben county, approximately east of angola.