A bill to authorize additional Federal contributions for the cost of construction of the rapid transit system of the National Capital Region, and for other purposes.

[AI summary unavailable — showing source text] Amends the National Capital Transportation Act of 1969 to authorize the Secretary of Transportation to make additional financial contributions to the Washington Area Metropolitan Transit Authority to partially finance the cost of construction of the Adopted Regional System. Authorizes appropriations for fiscal years 1982 through 1985 for such assistance. Directs the Transit Authority to establish a sinking fund for the accumulation of assets for payment of the principal on bonds issued by the Authority. Sets forth the percentage of contributions to be made by the Secretary and the local participating governments to such fund. Authorizes appropriations for the Federal share of the operating expenses of the rapid rail system of the Authority for fiscal years 1980 through 1987.…