Per NMDOT 2019 606.4.4 and 606.4.5, how are transitions that are integral to an end-treatment system paid?

1. They are converted to linear feet of guardrail
2. They are paid as Protection Systems by the linear foot
3. They are part of the end-treatment Each price and are not measured or paid separately
4. They are always paid as a separate Transition Each plus the terminal Each