Highway scooter laws in Texas?

I am trying to buy a scooter or small motorcycle for my commute to work. Does anyone know how many cc’s the motor has to be to drive 60mph on highways?

I think 150cc can get you on highway check with DMV some of the rules are changing

Maria (I Like It Loud) – Acardipane; Dick Rules; Scooter

[affmage source="amazon" results="10"]texas scooter laws[/affmage]
[affmage source="cj" results="10"]texas scooter laws[/affmage]
[affmage source="clickbank" results="10"]texas scooter laws[/affmage]