TRB’s Transportation Research Record: Journal of the Transportation Research Board, No. 2120 includes 12 papers that explore geometric design, as influenced by speed, sun glare, driveways, and sag vertical curves; roadway safety design, including impact testing, guardrails with round timber posts, bridge rails, median barriers, and urban roadside safety; landscape and environmental design in the Himalayan regions and in context-sensitive solutions; and best management practices for highway stormwater control.