As Jacksonville, Fla., faces a monumental decision about how to pay for one of the most expensive public works projects in city history, a retired CSX executive has emerged as an unlikely source of do-it-yourself research calling into question the bedrock assumptions the Jacksonville Port Authority uses to justify deepening the St. Johns River.

Technological advances are hitting the industry like a giant wave, Paul Dittmann, executive director of the Global Supply Chain Institute at the University of Tennessee, said.

Mike Crawford, a former player in the National Football League, has been promoted to run freight brokerage at ITS Logistics.

Two of the top retailers plan on opening large distribution centers and creating more than 1,500 jobs in supply chain warehousing.

Three decades ago, an experimental Mercedes-Benz van managed to steer, brake and accelerate on its own. But after the technology was refined enough to put an S-Class sedan through its paces on a highway around Paris in 1994, it was largely set aside as commercially unviable.

Secretary of Transportation Elaine Chao is headed to Capitol Hill to field questions from senators critical of the Trump administration’s 10-year infrastructure plan and proposal to reduce funding for transportation programs.

Polaris Transportation Group announced it has acquired chemical hauler J.G. Drapeau Ltd. and sister firm Commercial Warehousing Ltd. as part of a plan to grow and diversify its business. All of the companies are based in Toronto.