Better Roads

The Hamm H11i compactor comes standard with the "Hammtronic" machine management system for the monitoring of all engine and vehicle functions. Automatically adjusting traction control drive, vibration and engine speed to the operating conditions as well as reducing fuel consumption, exhaust gas and noise emissions signifi cantly. Increase your productivity, work more economically, save fuel and extend the life or your machine – that's the reward of Hammtronic. Hamm H-Series – the compactor of the future! INTELLIGENT COMPACTION WIRTGEN AMERICA . 6030 Dana Way . Antioch, TN 37013 Tel.: (615) 501-0600 . www.wirtgenamerica.com H11i Ad_7.875x10.5.indd 1 4/7/14 9:34 AM Text INFO to 205-289-3789 or visit www.betterroads.com/info Untitled-52 1 5/30/14 8:50 AM

• Cover
• ROAD SCIENCE: Down to the Dirt: Intelligent and new technologies are revolutionizing soil compaction. Better Roads takes a look at new technologies of soil compaction, covering high performance vibration via variable drum frequencies, high and low amplitu
• APPLICATIONS & INNOVATIONS: Minnesota's New Solutions for Aging Pavement: Using myraid concrete pavement restoration techniques, this state DOT minimized cost and traffic disruption while maximizing longevity and optimizing results.
• New Road Products
• Advertiser Index
• Marketplace
• HIGHWAY CONTRACTOR: Fighting Thermal Segregation: A temperature bar can provide a thermal profile in real time to protect against inconsistent densities that can occur if freshly paved asphalt pavement becomes too cool and does not compact properly.
• Transportation Talk: Better Roads Editor-at-Large Tina Grady Barbaccia talks with the U.S. Transportation Secretary Anthony Foxx.
• In Court: No License Doesn't Mean No Payment: Unlicensed contractors on federal construction projects are entitled to payment under the Miller Act.
• The Last Word: Material Handler Tries to Destroy B15 Smartphone: The phone is dropped from 35 feet, plunged in water and more, but can it pass the "Tina Test?" Web Extra Video