http://safety.fhwa.dot.gov/speedmgt/ref_mats/fhwasa1304/Resources3/33%20-%20Effects%20of%20Raising%20and%20Lowering%20Speed%20Limits%20on%20Selected%20Roadway%2

http://safety.fhwa.dot.gov/speedmgt/ref_mats/fhwasa1304/Resources3/33%20-%20Effects%20of%20Raising%20and%20Lowering%20Speed%20Limits%20on%20Selected%20Roadway%20Sections.pdf http://safety.fhwa.dot.gov/speedmgt/ref_mats/fhwasa1304/Reso... Sorry about that - this the full study, not just the report.