Three international firms have prequalified to finance, design, build and operate the $1-billion Rv. 555 for 25 years.

Project manager for Beaver Excavating helped deliver the $429-million job's complex earthmoving.

Anticipating disruptive mobility technologies, attracting new talent and figuring out how to do public-private partnerships successfully pose key challenges for public transportation agencies.

As uncertainty drags on concerning federal funding levels for major infrastructure projects, stakeholders are looking more intensely than ever into what kinds of private capital are available—not only from entities traditionally interested in infrastructure, but also from companies such as Facebook.

But perspectives are at odds related to a reduced federal funding role in looming legislation.