1. Introduction  
1.1. Related work  
2. Background: C-V2X communication technologies  
2.1. LTE Uu and 5G NR Uu  
2.3. LTE PC5 and 5G NR PC5  
2.4. Additional technologies  
3. Types of communication used in applications for the connected vehicle  
4. An exploration of the use of C-V2X communications to support connected vehicle applications  
5. Challenges for C-V2X applications research and deployment  
6. Conclusion