News & AnalysisTaking a tollLeaders in the public-private partnership space see revenue risk models gaining popularity for transportation projects and growing opportunity in the US, writes Justin McGownByJustin McGown18 December 2025•7 mins readTrendsNorth AmericaUSAirportsRoadsTransportCo-InvestmentCoreCore-PlusDirect InvestmentSecondariesValue-AddAdvisorsGeneral PartnersGovernmentFeaturedPPP