This sign has been in place, near the Old Coastguard Station in North Kohala, since I moved here. That was 12 years ago. But the sign was put in place six years earlier than that, after an earthquake caused the cliff, traversed by the trail, to slide into the sea.
The trail is the Ala Kahakai trail, a modern rendition of the network of trails used by the early Hawaiians. 175 miles long, it stretches from the northern tip of the island, down the west coast, and along the south coast through Hawaiʻi Volcanoes National Park. Segments of the trail are open to the public; other parts cross private property and are not yet accessible.
This ‘temporarily closed’ segment crosses the cliff frontage of a gated community. Rerouting the trail will require the cooperation of community residents impacted by moving the trail. This hasn’t happened yet.
I reckon the most likely change in this situation, that I might see in my lifetime, is that the sign will fall down. Replacing it could take several years!
Graham's Island 
Very temporary indeed!
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Geologically speaking anyway!
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made me laugh . . . . we have finally sorted our coastal path around the UK access to every point except one stretch on the Isle of Wight. And like your gated community it is the property owners that are causing the fuss . . . although for once it is not the Crown Estate or other rich people but a charity. Although having said that, this particular property that belongs to the charity was once the summer home of Queen Victoria. Hmmm . . . . . .
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In this case the problem is a huge house on the cliff which was being wrangled over in a bitter divorce dispute. It was for sale for ages, possibly still is for all I know.
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Ahha! Guess only the lawyers will benefit
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The eternal sign. Is there a process where the indigenous people have a say as well?
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They’re involved in the trail process, but the problem is that property rights are a big deal here and the regulatory entity that’s supposed to secure shoreline access and trail rights is as firm as candy floss!
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Hmmmm, that sounds familiar 🤔
It doesn’t matter if you have lived here for 40,000 years but haven’t developed the land. Our 200 years beats that. Here have a trinket, isn’t it shiny
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Yes, that’s how it goes.
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