Getting onto campus from Holiday InnShuttle from Holiday Inn to Illini Union (next to Altgeld). There will be shuttle runs from the Holiday Inn to the Illini Union, each morning at 8 and 8:30. Evening runs back to the hotel will depart from the Union at 8, 8:30, 10:00, 10:30. Sign up at the Holiday Inn front desk.
Getting to UIUCThe University of Illinois is serviced by Willard Airport (which American Airlines flies to). Alternatively the Bloomington airport (BMI) is about an hour away by car, and is serviced by more airlines.
For driving directions from nearby airports (Bloomington, O'Hare, St. Louis, etc) or nearby cities, and information about Amtrak routes see the following link .
AccommodationsThere is a block of rooms reserved at the Holiday Inn in Urbana. The link given here should take you to a page which has the block code (MRB) already filed in. Or when reserving your room you can also request the "Macaulay2 Research Meeting and School" block. This hotel is 2.2 miles from campus.
Other nearby hotels are Ilini Union (.01 mi), the Hampton Inn (.6 mi), and the I Hotel and Conference Center(1.7 mi).