SPaT Raw Byte Format

Bytes	Field	Description
0	0xcd	Start identifier
1	Phase count	Number of phase/overlap blocks
2–196	Phase Data	Timing values per phase
210–215	Red Status	Bitmapped phases
216–221	Yellow Status	Bitmapped phases
222–227	Green Status	Bitmapped phases
235	Sequence Counter	Message counter
236–240	Timestamp	HH/MM/SS/MS