Harwood, Douglas W. NCHRP Web only Document 129: Phases I and II Methodology to Predict the Safety Performance of Urban and Suburban Arterials / Douglas W. Harwood...[et al] - US : National Cooperative Highway Research Program, 2007 - vii, 186+p. ; ill. ; 30 cm Subjects--Topical Terms: Urban and Suburban Safety Dewey Class. No.: 363.125 HAR