Thats a good question and even good comments. See the picture from a job site where the constructor use a Material Transfer Device and have still problems with temperature segregation.
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All replies are good answers. If the segregation is coming from the transport of the asphalt then remixing addresses this problem. If the segregation is caused by poor paving practices or improper screed settings, then thermal profiling is a good tool to identify the root cause of the problem and find corrective action. Documentation is a big point.

In addition to things mentioned it's the same answer than with other questions: Before you can improve, you have to measure.
Neither all contractors nor authorities have the know-how we gained through the last years with asphalt temperatures.
Current single measurements or high end IR camera solutions on the other side are not really usable in the field. With a system like Pave-IR Scan it is possible to get an easy full thermal documentation with a high grade of interesting data for detailed analysis.

I think the catalog attached, helps us to make a conclusion. shuttle-buggy.pdf 1.0 MB

I totally agree with the points already mentioned. And if an authority want an appropriate quality assessment, they don't care so much about how this quality was realized - but they need to get a documentation as an appropriate proof that the required quality was reached. Based on such a kind of verification Pave-IR can provide the contractor get the full payment / bonus.