A decade ago the nascent infrastructure market struggled to be taken seriously as an asset class. Those days are over. As we enter 2018, infrastructure market activity revolves around addressing the challenges of fundraising success.

Investors have continued to allocate significant capital to infrastructure, creating an investment bottleneck of sorts — too many commitments, not enough capital invested. But there has been progress. The market has expanded in scope and variety and is providing more opportunity for investors. Routes to market are evolving rapidly, and the year ahead will be filled with stories about how various investors choose to allocate not only to the large global funds, but also to smaller funds with more targeted infrastructure investment strategies.

In 2006, for example, the general partner universe was dominated by a handful of players. Now, says Chris Tehranian, a principal at placement agency First Avenue, more than 100 funds are in the infras