BLEDSOE COUNTY SR-28 (MAIN ST.) TDOT Maintenance northbound at LM 15.62: Right Lane is currently shut down to one lane. investigating a possible sink hole. Further information when available. MARION COUNTY SR-156 (STATE HWY. 156) TDOT Maintenance eastbound from LM 14.2 to LM 14.4: All lanes are shut down due to a sink hole. Traffic is using …