Value of a Statistical Life - USDOT
http://www.dot.gov/sites/dot.dev/files/docs/VSL%20Guidance%202013.pdf
Master Economist on "Value of Statistical Life"
http://conversableeconomist.blogspot.com/2013/10/value-of-statistical-life-91-million.html
WZ-321 - ROSA's FHWA Eligibility Letter
for Federal Reimbursement
http://safety.fhwa.dot.gov/roadway_dept/policy_guide/road_hardware/workzone/pdf/wz321.cfm
MASH TL-3 Test Report and Summary