Coming from the South heading north on I-610 West Loop:

Exit 10 Woodway & Memorial Dr.  Continue North on feeder road past Woodway, turn left at Memorial Dr.  Turn right immediately on N. Post Oak.  Continue over I-10, turn right on W 12 St. Turn right (south) onto feeder road.  1155 West Loop N is on the right.  Take second entrance into parking lot.

Coming from the North heading south on I-610 West Loop:

From I-610 South Exit 11B Katy Road (before you get to I-10).  Stay on southbound feeder road.  1155 West Loop N is immediately on the right.  Take second entrance into parking lot.

Coming from East going West on I-10:

Take Exit 762B for Silber Rd/Katy Rd/ N Post Oak Rd.  Turn Left onto Old Katy Rd.  Turn Right onto N Post Oak Rd.  Turn Right on W 12 St.  Turn Right (south) onto 610 feeder road.  1155 West Loop N is on the right.  Take second entrance into parking lot.

Coming from West going east on I-10:

Take Exit 762 toward Silber Rd/Post Oak Rd.  Turn Right on W 12 St.  Turn right (south) onto feeder road.  1155 West Loop N is on the right.  Take second entrance into parking lot.