Superelevation Optimization for Mixed Freight and Higher-Speed Passenger Trains Dick, C.T., L. Sehgal, C.J. Ruppert, Jr. and S. Gujaran. 2016. Superelevation Optimization for Mixed Freight and Higher-Speed Passenger Trains. In: Proceedings of the American Railway Engineering and Maintenance-of-Way Association Annual Conference. Orlando, FL. Files We're sorry. At this time, we do not have a full text copy of this text available. Categories Systems