What type of cases does the Ohio Supreme Court primarily have jurisdiction over?

The Ohio Supreme Court primarily has jurisdiction over significant constitutional questions, making it the correct answer. This court serves as the highest level of the judicial branch in Ohio and addresses critical issues that can impact the interpretation and application of the state's constitution. Its role includes hearing cases that have statewide significance or where there is a need to resolve conflicting interpretations of the law among lower courts.

In contrast, the other types of cases mentioned do not fall under the direct purview of the Ohio Supreme Court. Traffic violations are typically handled by municipal and county courts. Small claims disputes are resolved in specialty small claims courts designed to offer a simpler, quicker resolution for minor monetary disputes. Family law matters can be overseen in domestic relations courts, which manage issues such as divorce, child custody, and support cases, rather than being escalated to the state supreme court unless they involve broader constitutional questions. Thus, the jurisdiction of the Ohio Supreme Court is specifically tailored to matters that have substantial legal implications rather than routine disputes.