Highway Investment, Job Creation, and Economic Growth Act of 2012

[AI summary unavailable — showing source text] Highway Investment, Job Creation, and Economic Growth Act of 2012 - Amends the Internal Revenue Code to: (1) extend through September 30, 2013, the expenditure authority for the Highway Trust Fund; and (2) extend through September 30, 2015, current excise tax rates on motor fuels (i.e., gasoline, diesel fuel and kerosene, and special motor fuels), excise taxes on heavy highway vehicles and highway tires, and the use tax on heavy vehicles. Extends through 2012: (1) the special exemption for small bond issuers from tax-exempt interest expense allocation rules, (2) the exemption of tax-exempt interest on private activity bonds from treatment as an item of tax preference for alternative minimum tax (AMT) purposes, and (3) the equalization of the tax exclusion for employer-provided mass transit and parking benefits. Exempts certain sewage and water facility bonds issued before January 1, 2018, from the volume cap applicable to private activity bonds. Allows a state, through a state infrastructure bank, to issue transportation and regional infrastructure project (TRIP) bonds to be used for capital improvements to transportation infrastructure projects. Transfers to the Highway Trust Fund…