Improvements to the Infrastructure Carbon Estimator (ICE) Status: ActiveProject Start Date: 05/08/2018Subscribe for Updates Summary: Some state departments of transportation (DOTs) and many Metropolitan Planning Organizations (MPOs) have begun to estimate vehicle greenhouse gas (GHG) emissions from the transportation systems. However, only a few have started to evaluate infrastructure-related energy consumption and GHG emissions, which can make significant contribution to the environmental footprint of the transportation system. Final Deliverables: Related Materials: Related Research: