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  2. Variations in traffic light operation - Wikipedia

    en.wikipedia.org/wiki/Variations_in_traffic...

    In New Zealand, where they drive on the left, when a road is given a green light from an all direction stop, a red arrow can continue to display to turning traffic, holding traffic back while the pedestrian crossing on the side road is given a green signal (for left turns) or while oncoming traffic goes straight ahead and there is no permissive right turn allowed (for right turns).

  3. Ramp meter - Wikipedia

    en.wikipedia.org/wiki/Ramp_meter

    Metered ramp on I-894 in the Milwaukee area. A Portland, Oregon ramp meter. A ramp meter, ramp signal, or metering light is a device, usually a basic traffic light or a two-section signal light (red and green only, no yellow) together with a signal controller, that regulates the flow of traffic entering freeways according to current traffic conditions.

  4. Wireless Emergency Alerts - Wikipedia

    en.wikipedia.org/wiki/Wireless_Emergency_Alerts

    An example of a Wireless Emergency Alert on an Android smartphone, indicating a Tornado Warning in the covered area. Wireless Emergency Alerts (WEA), formerly known as the Commercial Mobile Alert System (CMAS) and, prior to that, as the Personal Localized Alerting Network (PLAN), [1] is an alerting network in the United States designed to disseminate emergency alerts to cell phones using Cell ...

  5. Enable and disable firewall in McAfee - AOL Help

    help.aol.com/articles/mcafee-enable-and-disable...

    Click the Turn Off button. On the Turn Off Firewall confirmation dialog box, click the When do you want to resume Firewall drop-down menu, choose the appropriate option, and then click Turn Off. Click Done. Don't see the McAfee icon next to the clock? If you're using Windows 7 or 8, click the arrow next to the clock to reveal hidden icons.

  6. Road signs in the United States - Wikipedia

    en.wikipedia.org/wiki/Road_signs_in_the_United...

    Metered parking (times and days) R7-107 ... Push button for warning lights - wait for gap in traffic. ... Turn off 2-way radios and cell phones. School signs

  7. Emergency Alert System - Wikipedia

    en.wikipedia.org/wiki/Emergency_Alert_System

    The National Public Warning System, also known as the Primary Entry Point (PEP) stations, is a network of 77 radio stations that are, in coordination with FEMA, used to originate emergency alert and warning information to the public before, during, and after incidents and disasters. PEP stations are equipped with additional and backup ...

  8. Emergency Broadcast System - Wikipedia

    en.wikipedia.org/wiki/Emergency_Broadcast_System

    Non-participating stations had to remain off the air until the EAN was terminated. Under no circumstances could any broadcast station continue with normal programming during a national emergency. "All stations not authorized to remain on the air as part of the United States Emergency Broadcast System have been instructed to go off the air." [19]

  9. Helene leaves 'biblical devastation' as death toll climbs to ...

    www.aol.com/news/nc-picking-pieces-staggering...

    Editor's Note: This page is a summary of news on Hurricane Helene for Sunday, Sept. 29. For the latest news on the storm, view our live updates file for Monday, Sept. 30. ASHEVILLE, N.C. − More ...