What is the 'highway safety improvement program' (HSIP) and how does it differ from Section 402?

1. HSIP and Section 402 are the same program
2. HSIP is FHWA's infrastructure-focused safety program (23 USC 148) targeting road design improvements, while Section 402 is NHTSA's behavioral safety grant program targeting driver behavior
3. HSIP focuses on driver behavior while Section 402 focuses on road infrastructure
4. HSIP is a state program while Section 402 is a local program