It had NO Speed Limits. If you inquired you were simply told to Drive Carefully.
You could push it to 80 or 90 miles an hour (If your vehicle was that well endowed and even faster if your vehicle...
They are traps for the emerald ash borers. The traps will be checked at the end of summer and if it has the invasive beetle then the area will be quarantined. No wood in or out.