Stops users with certain roles from accessing the page tree.
Admin Restrict Page Tree Module For ProcessWire
Provides an easy way to prevent users with certain roles from accessing the page tree in the ProcessWire admin interface.
Install the module and configure which roles are to be prevented from accessing the tree and also choose a page that they will be redirected to should they try to access the page tree directly.
Based on code by Wanze. Ideas by Kongondo and stitched together with some config by Netcarver.