MURFREESBORO - Murfreesboro City Traffic Engineer Ram Balachandran has a heads up for motorists today (Friday), traveling between Murfreesboro and Smyrna on Nashville Highway. Between 9am and 1pm, you can expect lane closures on N.W. Broad between Singer and Florance Roads. Crews will be conducting core sampling and northbound traffic will be reduced from two lanes to one. Southbound traffic, going from Smyrna to Murfreesboro, will not be affected.