Emmet Street, South (UVa)
From East or West of Charlottesville: Take I-64 and exit at 118B (Rt. 29 N). Go almost two miles, and take the exit for Rt. 250 (Business) /Ivy Rd. At the top of the ramp, turn right toward Charlottesville. At the fourth traffic light, turn right onto Emmet St. (there is the Cavalier Inn - Best Western Hotel on the left). Follow (*) below
From South of Charlottesville: Come up Rt. 29 to the intersection with I-64, and follow the directions above for "From East or West of Charlottesville".
From North of Charlottesville: Take Rt. 29 south into Charlottesville. Eventually you will see an overpass where, if you get on you will stay on Rt. 29 heading south, and if you continue straight you will be on Rt. 29 Business (Emmet St). Keep going straight onto Emmet St. You will pass through 5 traffic lights and under a RR overpass. At the 6th traffic light you will be at the intersection of Ivy Rd (Rt. 250) / University Ave. and Emmet St. Keep going straight and follow directions from (*) below.
(*) Make your best way to the intersection of Emmet St and Ivy Rd/University Ave (there is a Best Western Cavalier Inn and a Chevron Station on the corners here). Go south on Emmet St toward the University. On your left you'll pass tennis courts and a Jeffersonian-looking gym then come to a parking garage. Turn left into the parking garage and park as high up as you can. Go up and out the stairs or elevator on the same end as the ground-level entrance (south end ... the main elevator/stairwell). When you come out at the top, look away from Emmet St and you're staring straight at Newcomb Hall.
To get to the Ballroom: Walk in and go to the back of the ground-floor hallway to the stairs. Go to the third floor; the ballroom runs almost the entire length of the third floor -- there are multiple doors all along the hallway into the ballroom.
Also go to MapQuest.com and get a map for 350 Emmet St S, Charlottesville, VA 22903. And remember, MapQuest maps are scrollable and navigable, so you can zoom out and pan around to see the map at whatever scale you want.