Location filters can be very useful for High Crash Location. This article describes the format of the location filters.
Improper use of the "OR" operator (|) can result in an undesired data set, no data at all, or all data being returned. This article is to help understand its correct use.
Suppose you've written a filter to show all collisions resulting from vehicles traveling in opposite directions. (i.e. east vs west or north vs south) Now suppose you want to get all the other crashes.
The © and ¨ symbols are placeholders for a carriage return. While these symbols are generally hidden from view, they are visible in files, and in some edit controls.
When a corridor diagram is created for a street which is an alias to another street, not all the crashes will be shown. The crashes included may also not include those that occured on end-point cross streets if they are aliases as well.
When creating a filter, the filter editor reports an "ambiguous variable" and will not let the filter be saved.
Is there a way to get a accident listing along the entire length of a roadway? Yes. There are several ways. This article describes the various ways to obtain that data.
You want to create a single chart that shows the day of the week accidents occurred - but want several specific intersections on that one chart.