lane restriction2 300HENDERSON, Ky. (4/25/14) — A work zone lane restriction for geotechnical work on the Audubon Parkway at the site of a dip at mile point 11.5 in Henderson County will go up tonight.

Engineers have been closely monitoring the site since the dip in the road surface was reported developing earlier this week and believe there may be additional soil movement beneath the roadway. They have asked the KYTC geotechnical team to speed up their evaluation of the area that was originally scheduled to start Monday.

A lane restriction will go up tonight moving all traffic to the right-hand or driving lane between the 11 and 12 mile marker. This will allow the work zone to be established so the drilling crew can start work in the median early on Saturday morning. Work is expected to continue through the weekend.  Motorists should be alert for traffic shifts that may be required to facilitate the work.

Engineers anticipate the exploratory drilling to take about 3 days to complete and several additional days to evaluate the findings. Data gleaned from the drilling will direct engineers in developing a repair plan. Meanwhile, engineers will continue to carefully monitor the roadway.

An initial investigation of the sag in the roadway indicated the dip is most likely due to subsidence from old coal mine tunnels in the area. However, it could also be attributed to a sinkhole beneath the roadway or other sub-surface issue. Samples provided by the drilling effort should be able to provide some indication of the cause and provide guidance for future mitigation efforts.

Motorists are asked to slow to 55 miles per hour in this work zone and use appropriate caution in this area.

SurfKY News
Information provided by KYTC

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