Formula funds program obligations versus total apportionments

While data from USAspending.gov shows funds that have been reported as obligated under each program, the flexible nature of FHWA formula programs and limitations to this dataset obscures how much funding has been shifted out of a given program into another.  
This graphic shows how much funding has been directly reported as obligated as under each FHWA formula program and amounts apportioned at the start of the IIJA. STBG and HSIP  

National Highway Performance Program
54.3B
93.7B
148B
Surface Transportation Block Grant Program
35.6B
36.4B
72B
Highway Safety Improvement Program
8B
8.7B
16.8B
National Highway Freight Program
2.6B
4.6B
7.2B
Congestion Mitigation and Air Quality Program
2.2B
11B
13.2B
Carbon Reduction Program
759.7M
5.7B
6.4B
PROTECT Program
1.1B
6.2B
7.3B