Work Zone Mobility and Safety Program
Photo collage: temporary lane closure, road marking installation, cone with mounted warning light, and drum separated work zones.
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Facts and Statistics - Charts and Graphics

Facts and Statistics

Work Zone Activity

This chart shows obligation of federal funds for roadway projects by improvement type between 2006 and 2008. Overall, total obligation of federal funds increased slightly each year, with the majority of funding obligated to reconstruction, followed by resurfacing, then restoration and rehabilitation, then new routes, and very minimally to relocation.
Source: Highway Statistics 2008, U.S. Department of Transportation, Federal Highway Administration

This chart shows state highway capital agency outlay and maintenance expenditures between 1994 and 2008. Total expenditures increased between 1994 and 2007 and then declined slightly in 2008. Capital outlay makes up the majority of the spending each year. Maintenance expenditures remained stable between 1994 and 2005 and then began increasing in 2006.
Source: What We Know About Work Zone Fatalities (and What We Don't) (PPT 1.7MB) – Presentation given by Tracy Scriba, FHWA Work Zone Technical Program Manager, at 2010 TRB Annual Meeting

Work Zone Fatalities

This chart shows total work zone fatalities per year between 1998 and 2010. Fatalities peaked in 2002 and then continuously declined, with the lowest number of fatalities in 2010.
Source: National Work Zone Safety Information Clearinghouse Work Zone Fatalities

This chart shows work zone fatalities as a percentage of all roadway fatalities between 1998 and 2010. The percentage of work zone fatalities peaked in 2002 at 2.76% of all roadway fatalities and then declined each year after, with the exception of a slight increase in 2009.
Source: National Work Zone Safety Information Clearinghouse Work Zone Fatalities

This chart shows the percentage of work zone fatal crashes involving large trucks compared to the percentage of total fatal crashes involving large trucks between 2003 and 2010. The work zone percentage ranges between 20% and 25%, while the percentage of total fatal crashes involving large trucks held steady around 12% each year.
Source: Large Truck Related Work Zone Crashes

This chart shows the number of fatalities in work zones in 2010 by the type of person killed (driver - includes motorcycle riders, passenger - includes motorcycle passengers, pedestrian, pedalcyclist, and other nonoccupant) and roadway function class (principal arterial - interstate, principal arterial - freeway/expressway, principal arterial - other, minor arterial, collector, local road or street, and unknown). The majority of persons killed were drivers on an interstate followed by drivers on another type of principal arterial.
Source: Traffic Safety Facts 2010 (NHTSA) (PDF 2.3MB)

This chart shows a comparison of work zone fatalities among all states per $1 billion of construction spending, using 2004 data. Montana ranks the highest with approximately 30 fatalities per $1 billion of construction spending, and Washington, D.C. ranks the lowest with less than 5 fatalities per $1 billion of construction spending.
Source: Dave Holstein, Ohio Department of Transportation

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