Metrolink train 632, a Fullerton to Laguna Niguel/Mission Viejo shuttle, boards on Track 4 in Fullerton, California, while BNSF Railway train S-LHAATG1-24 (Los Angeles Harbor-Pier 400 to Atlanta GA) heads east on Track 3 (but it is crossing over to Track 2, since beyond this Control Point Track 3 changes from BNSF to Metrolink ownership, and heads south to San Diego). The Metrolink train has cab car 670 on the head end, and F59PHI 887 on the rear, while the BNSF train is powered by ES44AC 5909 and SD70ACe 9272 (with ES44AC 6061 on the rear). The Metrolink train departs in another four minutes. (March 25, 2019)