From I-270 and Manchester Road intersection:
- Turn onto MANCHESTER RD/MO-100 Westbound.
- Keep RIGHT at the fork to continue on MANCHESTER RD/MO-100.
- Turn LEFT onto MASON LANE.
- BARRETT STATION VETERINARY CLINIC is on the LEFT (EAST) side of MASON LANE.
From HWY-141 (Woods Mill Road) and Manchester Road intersection:
- Turn Eastbound onto MANCHESTER RD/MO-100.
- Turn RIGHT onto MASON LANE.
- BARRETT STATION VETERINARY CLINIC is on the LEFT (EAST) side of MASON LANE.