A PERT chart may make it easier to see and track a project's critical path. The critical path is the minimum time it will take to complete a project, based on the longest path from start to finish.

PERT and CPM are both methods for predicting the cost and completion ... and which steps in the project planning are most critical -- that is, which steps would act as bottlenecks if delayed. To apply ...

For a detailed discussion about various assumptions, techniques, and cautions related to the PERT approach, refer to Moder, Phillips, and Davis (1983) and Elmaghraby (1977). A simple model is used ...