New section of SH 249 opens Posted in: News A new 8.4-mile section of the SH 249 extension project, Section 1B of Segment 1, is now open to the public as of March 26, 2021 at 5:45 p.m. Section 1B stretches from FM 1488 in Magnolia to FM 1774 in Plantersville near Todd Mission and is a controlled-access tollway ...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!