Van Zandt County construction updates released Posted in: News Canton Maintenance will continue milling work on SH 64 between FM 314 and FM 858. Daytime lane closures will be in place and flaggers will control traffic. Van Zandt County construction projects updates: I-20 MBGF Improvements (Van Zandt, Smith, and Greg counties) Limits: SH 19 in Canton E to MLK Blvd. in Longview Crew ...PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today!