What is the highest allowed speed limit?

Could you please elaborate on the context of this question? Is it referring to a specific region, country, or city's speed limit regulations? Or is it perhaps asking about the maximum speed a vehicle or transportation mode is capable of reaching? Knowing the specific context would help me provide a more accurate and relevant answer. Assuming it's a general inquiry about the highest allowed speed limit for motor vehicles, it's worth noting that speed limits vary greatly depending on the location, road type, and other factors. Some highways or motorways have higher speed limits than others, while residential areas or school zones typically have lower speed limits to ensure safety. In some countries, the highest allowed speed limit on certain highways or motorways may be as high as 130 km/h (80 mph) or even higher, while in others, it may be lower. It's important to always adhere to the posted speed limit signs and drive at a SAFE and responsible speed that is appropriate for the road conditions and surrounding traffic.