Truck driver load securement checklist: what do you recheck after the first 50 miles?

Load securement is one of those things that looks finished when you leave the yard, then changes once the trailer actually starts moving. I have seen straps that looked fine at the shipper loosen after the first stretch of rough road. I have also seen dunnage shift just enough that the load was not technically falling, but it was not sitting the same way anymore. I do not treat the first check as…