LONDON — Mowing gross or cutting brush might not be high-stakes work for most, but for transportation workers charged with these tasks while hundreds of cars and semis whiz by at 70 miles per hour, it’s a job that can be deadly.adcelannotate = {"mobilepaywallcategory" : "MOBILE_PREM-LOCAL","nativepaywallcategory" : "NATIVE_PREM-LOCAL"};