(March 23, 2011) The northeast-bound SH 121 frontage road will be closed between Legacy Drive and Dallas Parkway tonight, March 23 and Thursday night, March 24. The frontage road will close at 9:00 p.m. tonight and is expected to reopen by 5:00 a.m. Thursday morning, March 24. The frontage road will close again at 9:00 p.m. Thursday night, March 24, and is expected to reopen by 5:00 a.m. Friday morning, March 25.
During these closures, traffic on the northeast-bound Sam Rayburn Tollway will not be able to exit to the Dallas North Tollway. Detour signs will be posted that divert traffic onto Legacy Drive which takes them south to the Dallas North Tollway.
Motorists are urged to use caution in the construction zone and may want to seek an alternate route.