This Excel tool allows users to assess the potential use of express lane discounts as a driver of ZEV adoption by testing the effectiveness of a range of discount scenarios, including scenarios which combine multiple traffic conditions. This tool provides results both at the statewide level and disaggregated by income level. It also allows users to see the potential increase in express lane usage by ZEVs under each scenario. This interactive Excel tool allows users to explore multiple pricing schemes: discounts from 0% to 100%; and discount durations of the first 3-10 years of a vehicle’s life.