On Nov. 6, 2007, Texas voters approved a constitutional provision authorizing the Texas Transportation Commission to issue general obligation bonds of the State of Texas in an aggregate principal amount not to exceed $5 billion to fund transportation improvement projects. The general obligation bonds include the Highway Improvement General Obligation, or "HIGO Bonds," also known as the Proposition 12, or "Prop 12 Bonds."
On July 30, 2010, the Texas Bond Review Board approved issuance of HIGO Bonds in the aggregate principal amount not to exceed $3 billion. The HIGO Bonds are issued for the following purposes:
HIGO Bond Series
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