Rail Network Database
OnTrack is a relational database system designed to facilitate
the input and management of railroad engineering and control
system data. The physical characteristics of tracks, switches,
control lines, vehicles, and other elements of a railroad are
described in detail in OnTrack. OnTrack generates
information about the railroad in a form required for signaling,
simulation, or other engineering or operational analysis. OnTrack
contains forms and visual tools for facilitating the input of
data, checking data integrity and, visualizing the data in
various report formats, and responding to ad hoc queries about
OnTrack has many features that make it a superior tool for
managing railroad data. Some especially important features are:
- Data is captured and stored in nomenclature and
coordinate conventions (like "stationings")
used in civil engineering and control system drawings.
Track information, including points of equation (chaining
equivalence points) is input as it appears in drawings.
Special modeling is not required. A railroad is described
in terms of physical features as they appear in other
documents without the burden of adding extraneous
"pseudo" features that make entry and
subsequent editing difficult.
- Microsoft Access is the database engine for OnTrack. The
user may use the facilities of Access to make general
inquiries about the data, and to import and export data
between OnTrack and other applications.
- OnTrack is part of a system which allows the user to not
only enter data but to perform additional analysis and
integrity checks using OnTrack itself and signal system
analysis and simulation tools which operate on OnTrack
- Input and editing features are designed to make the tasks
of entering and changing data as easy as possible. Drop
down lists, help menus, visual depictions of track data
items and other features of the system have been designed
so that the user can visualize and manage the many
important cross-references and interrelationships that
exist between the various features in a railroad.
The figure below shows the OnTrack Network Objects
Switchboard, allowing access to the network features modeled in
OnTrack Network Objects Switchboard
The figure below shows the Track Plan View. This the primary
view used to input features (e.g. platforms, switches, signals)
along a track. The user is given immediate feedback as to the
position and orientation of features.
Track Plan View
RTS | OnTrack | Graphing | Signaling/Performance |