MAP20071505401 Feber, David J. The Economic effects on road safety improvements : an insurance claims analysis / David J. Feber, Judith M. Feldmeier, Keith J. Crocke This article demostrates the feasibility of exploting insurance claims data to estimate the marginal benefits to society of highway infraestructure improvements. We construct a unique database liking claims expenditures for a major auto insurer in Michigan to infraestructure investments at 62 intersections in the City of Detroit , and conclude that the addition of a left-turn lane, or left-turn phase in the signal, decreases the insurer's average monthly claims cost data representative intersection by En: The Journal of risk and insurance. - Orlando. - Volume 70, number 4, December 2003 ; p. 651-664 1. Carreteras . 2. Accidentes de tráfico . 3. Seguro de automóviles . 4. Reclamaciones . 5. Estudios . 6. Estados Unidos . 7. Empresas de seguros . 8. Gerencia de riesgos . 9. Infraestructuras viarias . 10. Análisis empírico . I. Feldmeier, Judith M. . II. Crocker, Keith J. . III. Title. IV. Título: The Journal of risk and insurance.