@article{paperid:203730, author = {Ayati, Esmaeel and مهدی شهیدیان}, title = {DECISION AID FOR ALLOCATION OF TRANSPORTATION FUNDS TO ROADSIDE SAFETY ENHANCEMENT}, journal = {Iranian Journal of Science and Technology-Transaction B: Engineering}, year = {2007}, volume = {31}, number = {2}, month = {March}, issn = {1028-6284}, pages = {143--154}, numpages = {11}, keywords = {Encroachment; Optimization; Roadside Safety; Enbankment; Guardrail}, }