Meanwhile, efforts will be made to transmit information as quickly as possible. The web site will be a key channel for data distribution.
Once at
http://transit-safety.volpe.dot.gov/Data/Samis.asp, you will have access to aspects of the last 10 years of NTD data. You will be able to specify key aggregations of data, including incidents, fatalities, injuries, collisions (with vehicles, objects, and people), derailments/ buses going off road, personal casualties, fires, property damage, vehicles, vehicle miles, passengers, and passenger miles.
The data are presented in two forms: - Graphs that track
each observed variable over time. The default is the last
10-year period, but you can specify custom time periods as
well.
- Data tables that present the same timeframes as the
graphs.
In the future, increased querying capability will be developed to allow for more detailed and targeted queries of the information by other data elements, such as incident-type breakouts, victims, and locations.
Focus: Major Incident Causes:
Action Description Fields The NTD is designed to capture a great deal of data about major incidents. This is facilitated by questions and dropdown menu options that appear on the S&S 40 Forms (on pages
for both Rail and Non-rail Except Ferry Boat). Information includes details about weather, traffic, lighting, roadway
conditions, roadway type, vehicle characteristics, and
pedestrian involvement.
Additional breakout data are captured through use of the appropriate detail screens associated with each of the
following incident categorizations: collisions, security
incidents, evacuations, fires, vehicles leaving the roadway, and incidents that are not otherwise classified (NOC). As
on the main reporting page, dropdown menus capture these important details.
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