[caption id="attachment_222312" align="aligncenter" width="700"]The North Texas Tollway Authority plans to add a fourth lane to the Sam Rayburn Tollway. The North Texas Tollway Authority plans to add a fourth lane to the Sam Rayburn Tollway.[/caption] The North Texas Tollway Authority will hold two open houses to share details about the planned widening of Sam Rayburn Tollway. The project would add a fourth lane to the entire 26-mile stretch of the toll road, widening the road from the median. The project is scheduled to begin in mid-2018. The two scheduled open houses are as follows: Feb. 21 5:30-7:30 p.m. Creek Valley Middle School 4109 Creek Valley Blvd., Carrollton Feb. 23 5:30-7:30 p.m. Cottonwood Creek Baptist Church Atrium 1015 Sam Rayburn Tollway, Allen For more information, visit www.ntta.org.