Motorists are advised that nightly, intermittent lane shifts are planned on eastbound and westbound State Road (S.R.) 46 from Orange Boulevard to the Longwood Markham Road roundabout from Monday, July 18 to Thursday, July 21, from 8 p.m. to 6 a.m. for bridge and road work. There will also be intermittent roundabout closures. The schedule is subject to change due to weather or other circumstances. Flaggers and officers will be on site to direct traffic. Remember to drive safely in the work zone and follow posted signage.