| Barnes' Notes on the Bible These going before - Going before Paul and Luke. Dr. Doddridge supposes that only Tychicus and Trophimus went before the others. Perhaps the Greek most naturally demands this interpretation. Tarried for us - The word "us," here, shows that Luke had again joined Paul as his companion. In Acts 16:12 it appears that Luke was in Philippi, in the house of Lydia. Why he remained there, or why he did not attend Paul in his journey to Athens, Corinth, Ephesus, etc., is not known. It is evident, however, that he here joined him again. At Troas - See the notes on Acts 16:8.
Clarke's Commentary on the BibleTarried for us at Troas - See the preceding verse. Troas was a small town in Phrygia Minor, in the province called the Troad: see Acts 16:8.
Gill's Exposition of the Entire BibleThese going before,.... The apostle into Asia, all but Sopater, who accompanied him: tarried for us at Troas; a city in Asia Minor; see Acts 16:8 whither they went before hand a nearer way, to provide for the apostle, and where they waited for him, and for Sopater, and for Luke, the writer of this history, who appears from hence to be in company with the apostle, and for as many others as were along with him.
Vincent's Word StudiesUs The first person resumed, indicating that Luke had joined Paul.
Geneva Study BibleThese going before tarried for us at Troas.
People's New Testament 20:5 These going before. Paul evidently tarried with the church at Philippi, while they went on to Troas. Us. Luke was now a companion. When Paul first passed into Europe, six or seven years before, he was with him (Ac 16:12), but there are reasons for thinking that he had remained and labored in Philippi until this time. Henceforth he attends the great apostle. Troas. See PNT Ac 16:8.
Jamieson-Fausset-Brown Bible Commentary5, 6. These going before-perhaps to announce and prepare for the apostle's coming. tarried for us at Troas.
Matthew Henry's Concise Commentary20:1-6 Tumults or opposition may constrain a Christian to remove from his station or alter his purpose, but his work and his pleasure will be the same, wherever he goes. Paul thought it worth while to bestow five days in going to Troas, though it was but for seven days' stay there; but he knew, and so should we, how to redeem even journeying time, and to make it turn to some good account. | 
