RoadbuildingAmerican Council of Engineering Companies (ACEC)Equipment World Staff (EQW)Nov 28, 2011 Event: Annual Convention — Washington, DC Start Date: 4/15/2012 End Date: 4/18/2012 Phone: (202) 347-7474 Web: www.acec.org Add us as a preferred source on Google Related StoriesRoadbuildingTopcon announces survey Master v1.3.2 and SiteMaster 9.2.1 service packsRoadbuildingBay Bridge self-anchored suspension structure redesign protects against environmental stressRoadbuildingDoosan, Equipment World mag award light tower in Contractor’s Dream Package sweepstakesRoadbuildingCat’s 5,000-sq.-ft. World of Concrete booth showcasing earthmoving and lifting machinesTop StoriesTechnologyNew Hexagon, RodRadar Tech Stops Excavator Bucket Before Striking UtilitiesThe new AI-integrated system detects buried lines in real time and automatically stops the bucket before contact.Utility Tractors/LoadersKioti Expands CS30 Tractor Line with New Open-Air ModelsAutonomousVideo: Operator Teaches Hitachi ZX135US-7 Excavator to Dig on its OwnExcavatorsVolvo’s New Big Digger Revealed — The 56-Ton EC560 Excavator with 6-Yard BucketGraders/ScrapersBig Year for Motor Graders with New Models from Top OEMs — Buyer’s Guide 2026Equipment World Contractor of the YearThe Contractor of the Year contest recognizes contractors who have annual revenues of between $3 million and $20 million and exemplify the highest standards of construction professionals.White PapersHow upgrading excavator machine control boosts your productivity