What specific process checks new road designs for safety problems before they are built?

The specific process that checks new road designs for safety problems before they are built is called a Road Safety Audit, often abbreviated as RSA. A Road Safety Audit is a formal, systematic, and independent examination of an existing or future road project's design. Its primary purpose is to identify potential road safety problems and suggest measures to eliminate or mitigate these problems proactively, before construction begins, thereby preventing future traffic collisions and reducing their severity. This process is distinct from a general design review because it focuses exclusively on safety and is condu....