From Interstate 35 Frontage Road and University Boulevard, Round Rock, Texas, drive west on Farm to Market 1431 W toward IH 35. Make the first left turn onto IH 35. Take the ramp to your left onto I-35 S. Take exit 253A toward US-79/Hutto/Taylor. Merge onto IH 35. Make a left turn onto Co Road 175/W Palm Valley Boulevard/Sam Bass RoadContinue to follow W Palm Valley Boulevard.