What is this warning sign with 65 in it means

1265443

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2188840

{"replyTo":"","text":"Just drive driver.","replyToPid":0}

2160204

{"replyTo":"","text":"length restriction.","replyToPid":0}

649838

{"replyTo":"","text":"This is a stumper.  I’ve googled it and can’t find anything with a (65’) symbol on it.  Notice the single upper apostrophe mark which typically indicates feet.   What area / state is this in? ","replyToPid":0}

1339135

{"replyTo":"","text":"From my understanding it tells you the distance from that sign - at that particular point, till the end of the segmented white line. ","replyToPid":0}

1019162

{"replyTo":"","text":"white is length yellow is weight some yellow is height also","replyToPid":0}

2147749

{"replyTo":"","text":"I thought it was speed limit","replyToPid":0}