Question: how to get txdot number?
Answer: Step 1: Verify you need a TXDMV. ... 
Step 2: Get your information ready.
Step 3: Apply For USDOT – All TXDMV applicants must first acquire this number prior to starting the TXDMV application process. ... 
Step 4: Apply for TXDMV Number.
Step 5: Submit Insurance Requirements.