Abstract: Aspects of the present disclosure generally relate to systems and methods for modeling the impact of commercial development on a geographic area. In particular, the computer systems and methods of the present disclosure represent improved tools for modeling the impact of dynamic retail development on neighborhood characteristics and development patterns and, conversely, modeling the impact of dynamic neighborhood characteristics and development patterns on retail development, on a web-based, open-source platform. Other embodiments of related systems and methods are also provided.

Abstract: A warning and information sign comprising a warning triangle and an information sign carrier and having at one corner thereof a hanger hook enabling a mounting of the sign over the upper edge of any desired side window of the car, and which hanger hook is formed as a double hook comprising two U-shaped hook loops arranged with the openings thereof facing each other and which loops are integral over a web portion which is bent in an angle rearwardly from the openings of said loops such that the lower hook loop, which is not used as a hanger for the moment, is free from the side window of the car or provides a support thereagainst when the sign is hung by the opposite hook loop.