Missouri Project Notification — Contractor Information is an online system that allows contractors to submit project notifications to the Missouri Department of Transportation. This system provides a convenient way for contractors to submit project information quickly and accurately. Contractors can use this system to submit notifications for contracts, change orders, and labor or material requirements. Through this system, the Missouri Department of Transportation is able to review and approve contractor notifications in a timely manner. There are two main types of Missouri Project Notification — Contractor Information: Pre-Notification and Post-Notification. Pre-Notification is used for submitting notifications prior to beginning work on a project. This includes submitting information about contracts, labor and material requirements, and other project-related information. Post-Notification is used for submitting notifications after work has been completed on a project. This includes information about change orders, labor and material requirements, and other project-related information.