Amend CSHB 1 (house committee printing) in Article VII of the bill, following the appropriations to the Texas Department of Transportation, in Rider 43 (page VII-35), by striking "Department of Transportation for implementation of the Texas Rail Plan" and substituting "Texas rail relocation and improvement fund for implementation of the Texas Rail Plan. To the extent that such federal funding is identified, but requires the matching by or commitment of state dollars, an amount not to exceed $50 million is allocated, for fiscal years 2012 and 2013, to the Texas rail relocation and improvement fund for such purpose from any amounts appropriated above to the Texas Department of Transportation that are not constitutionally dedicated for some other purpose".