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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation
FHWA Highway Safety Programs

Appendix B: Number of highway safety improvement projects per improvement category

Improvement Category Total Number Projects – 2009 Total Number Projects – 2010 Total Number Projects – 2011 Total Number Projects – 2012
(1) An intersection safety improvement project 601 689 761 736
(2) Pavement and shoulder widening 198 163 256 240
(3) Installation of rumble strips or other warning devices 88 382 384 113
(4) Installation of skid resistant surface at an intersection or other location with a high frequency of crashes 26 56 67 81
(5) An improvement for pedestrian or bicyclist safety or for the safety of persons with disabilities 23 73 70 113
(6) Construction of any project for the elimination of hazards at a railway-highway crossing that is eligible for funding under 23 U.S.C. 130, including the separation or protection of grades at railway-highway crossings. 10 17 2 36
(7) Construction of railway-highway crossing safety feature, including installation of highway-railway grade crossing protective devices 34 7 29 10
(8) The conduct of an effective traffic enforcement activity at a railway-highway crossing none none 1 none
(9) Construction of a traffic calming feature 3 10 15 4
(10) Elimination of a roadside obstacle or roadside hazard 37 128 89 71
(11) Improvement of highway signage and pavement markings 127 192 201 288
(12) Installation of a priority control system for emergency vehicles at signalized intersections 3 2 none 2
(13) Installation of a traffic control or other warning device at a location with high crash potential 50 85 123 194
(14) Transportation safety planning 13 32 25 46
(15) Improvement in the collection and analysis of data 20 38 36 40
(16) Planning integrated interoperable emergency communications equipment, operational activities or traffic enforcement activities (including law enforcement assistance) relating to work zone safety. 15 22 23 20
(17) Installation of guardrails, barriers (including barriers between construction work zones and traffic lanes for the safety of road user and workers), and crash attenuators. 191 284 249 247
(18) The addition or retrofitting of structures or other measures to eliminate or reduce crashes involving vehicles and wildlife 5 16 10 7
(19) Installation and maintenance of signs (including fluorescent yellow-green signs) at pedestrian-bicycle crossings and in school zones. 1 4 7 10
(21) Construction and operational improvements on high risk rural roads. [Do not use for the HRRRP portion of the report.] 2 7 none 4
(22) Conducting road safety audits. 5 5 3 8
(23) Other 153 91 22 62
Total 1605 2303 2373 2332