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INDIANAPOLIS — The head of American Trucking Associations warned during a legal seminar here that further exemptions from Congress to electronic logging requirements for agricultural haulers could threaten safety on the nation’s roads.

SoftBank Group Corp.’s Masayoshi Son wants his company to grow for 300 years, and he’s willing to pour billions of dollars into far-out technology to make it happen.

In a small side room at Washington’s Union Station, this year’s Infrastructure Week kicked off with a keynote address from Transportation Secretary Elaine Chao. She again pointed to the private sector and state and municipal officials as being the key drivers on infrastructure funding. Before the secretary’s address, Austin, Texas, Mayor Steve Adler had offered the infrastructure intelligentsia in attendance a different message. A look at the week ahead for trucking on Capitol Hill.

Michelin, the French tiremaker that also publishes the eponymous restaurant guide, is betting on a future paved with chips — microchips, that is.

New York City and Los Angeles, worried that a Senate self-driving car bill would make them hand over control of their streets to the federal government, have found a powerful ally: Minority Leader Chuck Schumer (D-N.Y.).

The Federal Highway Administration has withdrawn its rule that would have required state departments of transportation and metropolitan planning organizations to report year-over-year changes in carbon dioxide emissions on U.S. interstates and major highways.

General Motors Co. and the SoftBank Vision Fund are partnering to invest in GM Cruise to bring self-driving vehicles to market by next year, the company said May 31.

Tim Sylvester, CEO of Kansas City, Mo.-based Integrated Roadways, thinks his startup company’s “smart pavement” — bristling with sensors and the latest fiber-optic and wireless technology — could be a lifesaver in mishaps.

State officials figure the Volkswagen diesel emissions testing scandal added an extra 10,000 tons of noxious nitrogen oxide to California’s air. To make up for it, the state will use $423 million of Volkswagen penalty money to cut the same amount of nitrogen oxide by subsidizing the purchase of zero-emission trucks, buses and other vehicles.