1. A method comprising facilitating a processing of and/or processing (1) data and/or (2) information and/or (3) at least one signal, the (1) data and/or (2) information and/or (3) at least one signal based, at least in part, on the following: a processing of sensor information associated with at least one device traveling on at least one route to determine at least one pattern of shadows on the at least one route; a comparison of the at least one pattern of shadows against one or more reference patterns of shadows associated with one or more known locations; and an estimation of a location, a direction of travel, or a combination thereof of the at least one device based, at least in part, on the comparison.