Study the sign shown. Which MUTCD placement statements match this warning device? Select all that apply.
It is installed when a primary traffic signal lacks sufficient approach visibility
For a post-mounted sign at the crossing point, a diagonal downward-pointing arrow plaque identifies the location✓پاسخ درست
In advance of the crossing, an AHEAD or distance plaque can provide advance notice✓پاسخ درست
It is used before an abrupt two-lane narrowing that restricts simultaneous passage
توضیح
At the crossing location, a post-mounted W11-2 uses a diagonal downward-pointing arrow plaque. An AHEAD or distance plaque is used for advance placement, so it would not identify the crossing point itself.
