Ohio State Route 203 runs north out of Delaware, Ohio, to end in the western periphery of Marion.  This is in the northern areas of central Ohio.  The southern beginning splits from Ohio Route 37 in the northwestern portion of Delaware.  From there, Ohio Route 203 extends northward, staying just west of the US Route 23 corridor.   The northern end is at Ohio Route 309, a few miles northwest of Marion.

My photo for Ohio State Route 203 shows a junction marker for those on Ohio Route 37 heading westward toward the southern start of Route 203.  This sign is seen by drivers heading northwesterly out of Delaware, Ohio.  This photo was taken in October, 2023, on the way to Columbus.
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