 In Abilene, I-20 curves towards the north and transverses the northern part of the city while also forming the northern arc of the loop around the city.I-20 continues heading east from Abilene until the town of Eastland when I-20 takes a more northeasterly route towards Weatherford while transitioning from the West Texas prairie to the central plains of North Texas as the terrain grows hilly.In Weatherford, I-20 again heads back towards the east as it heads towards the Dallas-Fort Worth Metroplex.