According to the WISN report, Romo was pulled over at 5:30PM.
per google maps: Approximately 35–40 miles (about 45–55 minutes driving time under normal conditions).
- Golf tournament location: West Bend Country Club in West Bend, Wisconsin (northwest of Milwaukee).
- Arrest location: Southbound I-43, just south of the Marquette Interchange
That would infer that he left the golf course no later than 4:45PM?
https://www.wisn.com/article/tony-romo-arrested-in-milwaukee-on-suspicion-of-dui/73256530
WISN 12 News obtained the arrest-detention report, which says Romo was stopped Thursday around 5:30 p.m. while traveling southbound on Interstate 43 just south of the Marquette Interchange and "performed poorly" on standard field sobriety tests