A Public Transportation Benefit Area (PTBA) may contract with a city, town, or county whose jurisdiction includes territory served by the PTBA for the use of PTBA funds to pay for, or contribute toward the cost of , construction projects in public rights of way which will provide a tangible and accountable benefit for improving, enhancing or extending or extending the PTBA's public transportation services.
A public transportation benefit area may not use its funds for improvements or maintenance of public roads and streets by means of an interlocal cooperation agreement with cities and/or counties, because the public transportation benefit area is not legally responsible for road and street construction or maintenance.
By reason of RCW 36.57A.110, the Pierce County Public Transportation Benefit Area recently established pursuant to chapter 36.57A RCW may operate a charter bus service to the same extent that such a charter bus service was previously operated by the City of Tacoma.