By providing access to additional capital from private-sector financing sources, PPPs can facilitate the delivery of projects that otherwise might have been delayed or not built at all because of state and local fiscal constraints. More than $180 billion in private capital is estimated to be available now for infrastructure investment.31 Innovative financing mechanisms such as availability payments or Grant Anticipation Revenue Vehicles (GARVEEs) (see Glossary) may help further by spreading the public sector's investment in a project over an extended period of time 32 | Potential PPP Benefits • Private financing and project acceleration |