Abstract: A barrier for a roadway (e.g., a highway, bridge, or other road), which can be used to manage vehicular traffic, such as to establish lanes, protect motorists and other people (e.g., pedestrians, constructions workers, etc.) against crashes or other impacts, and/or other purposes, and which may be configured to enhance its use and performance, such as by better protecting the motorists and others when impacted by vehicles (e.g., reducing deflection by deflecting less or substantially not deflecting; mitigating risks of “catapulting” or “vaulting” of vehicles; and/or otherwise improving protection provided by the barrier), facilitating transportation, installation and/or transfer of the barrier at the roadway, and/or enhancing other aspects of the barrier.

Abstract: A barrier for a roadway (e.g., a highway, bridge, or other road), which can be used to manage vehicular traffic, such as to establish lanes, protect motorists and other people (e.g., pedestrians, constructions workers, etc) against crashes or other impacts, and/or other purposes, and which may be configured to enhance its use and performance, such as by better protecting the motorists and others when impacted by vehicles (e.g., reducing deflection by deflecting less or substantially not deflecting; mitigating risks of “catapulting” or “vaulting” of vehicles; and/or otherwise improving protection provided by the barrier), facilitating transportation, installation and/or transfer of the barrier at the roadway, and/or enhancing other aspects of the barrier.

Abstract: The authentication device, for example a card, is provided with the capability of generating its own unique personalization data. Each device, prior to the personalization phase, is advantageously identical to any other device of a same batch. The device generates a random internal number using one or more different methods and in such a way that the internal number cannot be predicated and it is statistically improbable another device has an identical internal number. Segments of the random internal number are used to form the personalization data, for instance a serial number and key number. The random internal number can also be inserted in a mathematical algorithm, for example a one-way hashing function, to generate another number or other numbers to be used as the personalization data. Once generated, the personalization data are recorded in a memory.