The inbound lanes of Park Road remain closed this morning, after a water main break Thursday afternoon.Crews have repaired the outbound (southbound) lanes, but motorists are being asked not to use that portion of the road yet.Police say the inbound lanes likely will not be reopened until after the morning commute.The water main break happened between Manning Drive and Selwyn Avenue, near Briar Creek, a short distance north of Tyvola Road/Fairview Road. All lanes were closed late Thursday and early today, but crews completed repairs on the outbound lanes before daybreak.By 6:45 a.m., crews had completed repairing the break on the outbound side, but they still must repave the roadway. That job is expected to take several hours.Traffic on the inbound lanes is being rerouted onto Fairview Road to Sharon Road, in the SouthPark area.Motorists will have to use alternate routes, such as Sharon Road to Colony Road; or South Boulevard.