⢠Marathon A contractor will begin sidewalk repairs for future ramps and crossings, as well as directional bores for electrical conduits at the intersection of U.S. 1 and Sombrero Beach Road (Mile Marker 50.1) in Marathon. Sidewalk detours will be present for pedestrians and cyclists to follow. ⢠Bertha and 1st streets The 1st and Bertha streets roadway and drainage improvement project work will consist of reconstruction and resurfacing the two roads, installing a new stormwater collection system on Bertha Street and rehabilitation of the existing stormwater collection system on 1st Street. Due to the underground work and full-depth road reconstruction, there will be lane closures and detours for extended periods.