As the name says, It's a "JARG on Bay Road".
NOTE: Do -not- park on Bay Road. Please use the pull-off when getting this cache. Thank you.
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Congratulations to TinySuperman for the FTF! 😀
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Side Note:
Tip of the hat to PhantomODOpera for coining the acronym JARG (Just A Random Guardrail).
Jurer byq zrrgf arj.