From the Presidential Inauguration Committee:
“If you plan on attending any of the public events, please be prepared to be outside for a long period of time and dress warmly. A limited amount of food and beverage vendors may be available, but attendees are encouraged to bring snacks and beverages in order to stay healthy and hydrated.
The following items are prohibited and will not be allowed through any security checkpoints: aerosols, animals (guide dogs will be allowed), backpacks, bags larger than 6″ x 4″ x 8”, balloons, bicycles, coolers, glass or thermal containers, horns, laser pointers, mace/pepper spray, packages, structures, sign supports, weapons, and any additional items deemed a safety hazard by security.
During the inauguration, much of the National Mall and surrounding areas will be closed to vehicle traffic. You can get the latest on D.C. public transportation by visiting the Washington Metropolitan Area Transit Authority’s website at www.wmata.com or by following @wmata on Twitter.”