From Downtown Indianapolis: Head east on Washington Street (US-40): Start by driving east on Washington Street, which is also US-40. Merge onto I-70 East: After approximately 0.5 miles, use the left lane to take the ramp onto I-70 East toward Columbus, Ohio. Continue on I-70 East: Stay on I-70 East for about 20 miles. Take Exit 115 toward Greenfield: Use the right lane to take exit 115 for IN-9 toward Greenfield. Turn left onto IN-9 North: At the end of the exit ramp, turn left onto IN-9 North/N State Street. Turn right onto US-40 East: After approximately 1 mile, turn right onto US-40 East/Main Street. Continue on US-40 East: Drive east on US-40 for about 5 miles. Turn left onto N 400 E: Turn left onto N 400 E and continue for approximately 1 mile. Arrive at Helm's Mill: The destination will be on your right. You can also search "M/I Homes Helm's Mill" on Google Maps.