If you're bound for the Mall on Monday, it'll help you immensely to know where the checkpoints are, which Smithsonian museums are open and where you'll be able to find food trucks. In other words, you need a map.
This handy guide to the inauguration has all of that and then some. It's a PDF, so you can save it to your mobile device (or print it out if you're old-school) and use it whether or not you're getting cellular or data service out there among the tweeting, texting, Instagramming hordes.
If you have more questions about the inauguration, be sure to read the transcripts from the Got Plans? chat, where we answered important questions about logistics, including whether suitcases will be allowed on the Metro.
Read more from the Going Out Guide: