Take the Massachusetts Turnpike to Exit 15 (Interstate 95/Route 128). 
After the tolls, follow the signs for Route 95/128 South. 
Exit Route 95/128 South at exit 19B (Highland Avenue, Needham). 
Follow Highland Avenue for 1.5 miles to a three-way intersection with Chapel and May Streets;
bear slight right onto Chapel Street (to the right of the gas station). 
Take a right at the first light onto Great Plain Avenue/Rte 135. 
Then follow "From Great Plain Avenue" directions below. 

From the West
Take the Massachusetts Turnpike to Exit 14 (Interstate 95/Route 128). 
After the tolls, follow the signs for Route 95/128 South. 
Exit Route 95/128 South at exit 19B (Highland Avenue, Needham). 
Follow Highland Avenue for 1.5 miles to a three-way intersection with Chapel and May Streets; 
bear slight right onto Chapel Street (to the right of the gas station). 
Take a right at the first light onto Great Plain Avenue/Rte 135. 
Then follow "From Great Plain Avenue" directions below. 

From the North or South
Take Route 95/128 to exit 19B (Highland Avenue, Needham). 
Follow Highland Avenue for 1.5 miles to a three-way intersection with Chapel and May Streets; 
bear slight right onto Chapel Street (to the right of the gas station). 
Take a right at the first light onto Great Plain Avenue/Rte 135. 
Then follow "From Great Plain Avenue" directions below. 

From Great Plain Avenue
Proceed on Great Plain Avenue for 1.5 miles and the Olin College campus will be on the right. 
Enter the campus at "Olin Way" and follow the road around to the left to parking lot A, 
	which provides access to all campus buildings. 
Most administrative offices, including the Admission Office and the President's Office,
	are in "Milas Hall", which is the first building to the right, as you walk up from the main lot. 
Handicap parking is available. 

Directions link:
http://www.olin.edu/campus/getting_around.asp