1. Operating speed models for passenger cars and trucks on horizontal curves with steep grades Open Access Author: Morris, Cody M Title: Operating speed models for passenger cars and trucks on horizontal curves with steep grades Graduate Program: Civil Engineering Keywords: speedpassenger carstrucksmultilane highwaymathematical modelsregression analysis File: Download Morris_Thesis_Full.pdf Committee Members: Eric Todd Donnell, Thesis Advisor/Co-Advisor