The closest airport is Bradley (Hartford/Springfield; BDL). From Bradley, you can continue by car or shuttle bus. The trip to Amherst takes about 45 minutes.
Amtrak's Vermonter runs daily from Washington, D.C., through NYC, up to Amherst, and beyond. There are somewhat more opportunities to take the train to Springfield, MA, where one can walk across the street from the train station to the Peter Pan bus terminal to catch a bus to Amherst. See Amtrak's website for details.
From Boston's South Station: Take the Peter Pan bus to Amherst. The first bus leaves at 8:00 am and the last one at 8:00 pm. You will have to change buses in Springfield (unless you happen to take the direct bus which leaves from Boston on Fridays at 4:15 pm).
From New York City: You can take the Peter Pan bus to Amherst. The bus leaves at the Port Authority bus terminal, and takes about 4.5 hours.
From Northampton: Use the PVTA buses to get to Amherst and back. You will want to take the 43 bus, which works on this schedule. Bus fare is $1. The drivers cannot make change.
Nationals from the 27 countries that participate in the visa waiver program (the green form that you fill out on the plane) will need a machine-readable passport to be eligible for a visa waiver for entry into the United States. More information is available on the US Department of State website at http://travel.state.gov/visa/temp/without/without_1990.html.
Parking passes are available for the campus parking garage for is $5/day. You can park in the garage and buy a conference day ticket at the registration desk.
We strongly recommend the parking garage for Friday, since you can't use any other lot.
On Saturday and Sunday, you can use any non-metered parking lot, such as lot 40 and lot 71. Consult the signs at the entrances to each lot.
If you prefer to park in the parking garage on Saturday and Sunday as well, we'll have tickets available at the registration desk.
Use this map from UMass Amherst Parking Services. The parking garage is the big orange blob in the middle.