This report provides insight into preparations in Maryland, Nevada, and Oregon -three states that have established a State-based Marketplace, are moving forward with the Medicaid expansion, and are among the states leading the way in preparing for outreach and enrollment. e findings provide an overview of where these three states are in establishing their Marketplaces; preparing for the Medicaid expansion; planning for marketing, outreach and enrollment; and establishing enrollment assistance resources. It highlights the challenges the states have encountered and overcome, the successes they have achieved, and provides key lessons that may help inform implementation efforts moving forward.