In our annual firefighter fatality study, and probably in the USFA study as well, there are details on firefighter deaths in crashes. The list specifies type of vehicle and details if it was an incident response. The 2014 report is the latest we have on our website; the 2015 study will be posted by June 4th. Here’s the 2014 study: http://www.nfpa.org/research/reports-and-statistics/the-fire-service/fatalities-and-injuries/firefighter-fatalities-in-the-united-states. The discussion begins on page 8.
Our annual firefighter injury study has statistics on crashes of apparatus (and personal vehicles) while responding to or returning from alarms, and associated firefighter injuries. You can find the information in Table 3 and the discussion on page 12. The most recent study (2014) is available here: http://www.nfpa.org/research/reports-and-statistics/the-fire-service/fatalities-and-injuries/firefighter-injuries-in-the-united-states
NHTSA publishes a report every year that includes information on emergency vehicle incidents and related firefighter and civilian fatalities. You can access the most recent report here: http://www-nrd.nhtsa.dot.gov/Pubs/812261.pdf. Check out Table 61 – it shows totals and incidents while vehicles are in ‘emergency use’ (lights and sirens).