what is the climate like in this state?
Humid continental climate  throughout most of the state, except in the extreme southern counties of Ohio's Bluegrass region section, which are located on the northern periphery of the humid subtropical climate
Ohio
The climate of Ohio is a humid continental climate (Köppen climate classification "Dfa/Dfb") throughout most of the state, except in the extreme southern counties of Ohio's Bluegrass region section, which are located on the northern periphery of the humid subtropical climate ("Cfa") and Upland South region of the United States. 
when was u.s. route 25 constructed? November 11, 1926 what was the route a part of? United States Numbered Highway System and where did this route connect to? It ran from the Ohio state line near Toledo and ended at the tip of The Thumb in Port Austin.
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Ohio [SEP] Climate
The climate of Ohio is a humid continental climate (Köppen climate classification "Dfa/Dfb") throughout most of the state, except in the extreme southern counties of Ohio's Bluegrass region section, which are located on the northern periphery of the humid subtropical climate ("Cfa") and Upland South region of the United States. Summers are typically hot and humid throughout the state, while winters generally range from cool to cold. Precipitation in Ohio is moderate year-round. Severe weather is not uncommon in the state, although there are typically fewer tornado reports in Ohio than in states located in what is known as the Tornado Alley.