(March 25, 2011) The southwest-bound SH 121 frontage road will be closed at Dallas Parkway on Sunday, March 27. The frontage road will close at 6:00 a.m. Sunday morning and is expected to reopen by 6:00 p.m. that night. The frontage road will be closed between the northbound and southbound Dallas Parkway frontage roads.
During this closure, traffic on southwest-bound SH 121 that normally turns left onto Dallas Parkway in order to enter the southbound Dallas North Tollway will have to use an alternate route. These motorists should use Parkwood Boulevard as a detour to travel south and then turn right onto Headquarters Drive which provides access again to southbound Dallas Parkway. Similarly, traffic on northbound Dallas Parkway that normally turns left onto SH 121 will have to use an alternate route. These motorists should turn left onto Legacy Drive which provides access to the SH 121 frontage roads.
This road closure is part of NTTA’s interchange construction project. Motorists are urged to use caution in the construction zone and to seek out an alternate route in advance.