Measure link https://ops.fhwa.dot.gov/publications/fhwahop15034/fhwahop15034.pdf https://www.ecta.com/wp-content/uploads/2021/03/ECTA-CEFIC-GUIDELINE-FOR-MEASUR… https://ops.fhwa.dot.gov/publications/fhwahop15034/ch4.htm