From Logan Airport or Boston to Waltham, MA:

• Merge onto I-90 W / Mass Pike via the ramp on the Left toward I-93 / I-90 West / Williams Tunnel (Portions toll)
• Take the I-95 / RT-128 exit- Exit 15- toward Waltham
• Take the I-95 N / RT-30 / RT-128 N exit on the Left toward N.H.-Maine / Points North
• Merge onto I-95 N / MA-128 N via the exit on the Left toward Waltham / Gloucester
• Take Exit 26 - Rt 20 E- toward Waltham / Weston
• Turn Slight Right onto US-20 E / Weston St.
• At the lights Take a Left onto Rt 117.
• Immediately bear right onto Stow St.
• At the next set of lights take a left onto Main Street.
• 1440 Main St will be on your left side.

From South of Boston To Waltham, MA:

• Take the I-95 / RT-128 exit- Exit 15- toward Waltham
• Take the I-95 N / RT-30 / RT-128 N exit on the Left toward N.H.-Maine / Points North
• Merge onto I-95 N / MA-128 N via the exit on the Left toward Waltham / Gloucester
• Take Exit 26 - Rt 20 E- toward Waltham / Weston
• Turn Slight Right onto US-20 E / Weston St.
• At the lights Take a Left onto Rt 117.
• Immediately bear right onto Stow St.
• At the next set of lights take a left onto Main Street.
• 1440 Main St will be on your left side.

From North of Boston to Waltham, MA:

• Take I-95 South (Rt. 128 South)
• Take Exit 26 - Rt 20 E- toward Waltham / Weston
• Turn Slight Right onto US-20 E / Weston St.
• At the lights Take a Left onto Rt 117.
• Immediately bear right onto Stow St.
• At the next set of lights take a left onto Main Street.
• 1440 Main St will be on your left side.