I-495 S toward MARLBORO.
Take the BOSTON RD exit- EXIT 32- toward WESTFORD.
Turn LEFT at end of ramp onto BOSTON RD.
Turn right onto LITTLETON RD / MA-110.
99 is a mile or so on your right.
495 N towards LOWELL.
Take the RT-119 exit- EXIT 31
Take the RT-119 E ramp toward LITTLETON COMMON.
Turn LEFT onto GREAT RD / MA-119.
Turn LEFT onto KING ST / MA-110. Continue to follow MA-110.
Go straight...you will pass Kimballs and the 99 will be down a mile or so on your left.