TYLER, Texas – As Texas continues to boom, the Texas Triangle — anchored by Dallas–Fort Worth, Houston, San Antonio and Austin — remains at the heart of the state’s rapid expansion, fueling economic and population growth across its sprawling megaregion. Increasingly, the Tyler region and surrounding East Texas communities are finding themselves drawn into this wave of prosperity and opportunity.Located roughly 90 miles east of Dallas, Tyler is now recognized as an “emerging fourth point” of the.