VZC construction updates released Thu, 03/17/2022 - 18:19 By News Staff Posted in: News I20 Improvements (Van Zandt, Smith, and Gregg counties) Limits: SH 19 in Canton E to MLK Blvd. in Longview Contractor: Sefbo Pipeline Bridge, Inc. ... Premium Content is available to subscribers only. Please login here to access content or go here to purchase a subscription.