After the holiday break, road construction is starting up.
Roadwork disruptions will hamper traffic on a major expressway, State Road 836, and on roads along the coast on Collins Avenue and Sunny Isles Boulverd.
On 836, the Dolphin Expressway, two lanes on eastbound and westbound 836 at Northwest 17th Avenue will be closed Friday and Saturday from 11 p.m. to 10 a.m. the next day.
Also on 836, two lanes eastbound and westbound will be closed at Northwest 57th Avenue Friday and Saturday from 11 p.m. to 10 a.m. the next day.
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Both closures are needed for installation of equipment for electronic toll collection, according to Miami-Dade Expressway Authority (MDX).
Meanwhile, one northbound lane on Collins Avenue near Northwest 170th Street will be closed from 9 p.m. Friday to 9 p.m. Saturday for road maintenance.
Maintenance also will close one eastbound lane on the Sunny Isles Boulevard business loop from 7 a.m. to 5 p.m. every day Monday to Friday,