World Tracking the migrant caravan: Traveling town to town in journey to U.S. border October 24, 2018October 24, 2018David Agren, Special to USA TODAYComments Off on Tracking the migrant caravan: Traveling town to town in journey to U.S. border The caravan stretched for miles as migrants ambled along the Coastal Highway in southern Mexico still more than 1,000 miles from U.S. border