D5 Annex report WP 3: ETIS Database methodology ... - ETIS plus
D5 Annex report WP 3: ETIS Database methodology ... - ETIS plus
D5 Annex report WP 3: ETIS Database methodology ... - ETIS plus
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<strong>D5</strong> <strong>Annex</strong> <strong>WP</strong> 3: DATABASE METHODOLOGY AND DATABASE USER<br />
MANUAL – FREIGHT TRANSPORT DEMAND<br />
European country. This is therefore an indirect measure of port traffic, but a direct measure of<br />
the underlying demand for transport services.<br />
The translation from trade data to the required quantities has been carried out within the <strong>ETIS</strong><br />
pilot using a simple Microsoft Access SQL query. Access has also been used to aggregate<br />
across the NST commodity definition.<br />
Contrary to international trade, for domestic transport less detail is available concerning the<br />
commodity type (at most information is available on NSTR2 digit level instead of the CN 8<br />
digit level). As a consequence the cargo characteristics and information about the number of<br />
vehicles have to be determined in a different way. Available information from Eurostat and<br />
national statistical offices is collected as much as possible. This data is used to estimate average<br />
figures that are used to estimate cargo characteristics and transport unit information for<br />
domestic transport.<br />
Method 6: Estimation of transport performance information<br />
Transport volume information, expressed in weight of the goods (tonnes) and expressed in value<br />
of the goods (euro), is included in the data right from the first step in the method. For transport<br />
performance information the variable number of TEUs is included from the first step of the<br />
method while information about the number of vehicles is included in the data in method 5.<br />
Transport performance information expressed in tonnekilometres, vehiclekilometres and TEUkilometres<br />
still has to be calculated.<br />
In order to be able to calculate these variables information is needed about the transport distance<br />
between regions (on NUTS2 level) by transport mode. Currently this data is available form<br />
transport networks available at NEA (from NEAC) that have also been used in the TENSTAC<br />
project. After completion of <strong>ETIS</strong> <strong>WP</strong>5 ‘European transport network data’ this data will be<br />
available from <strong>WP</strong>5.<br />
For this calculation it is not only necessary to have distance information by mode between the<br />
origin and destination region, but also between transhipment locations and between<br />
origin/destination regions and transhipment locations. A special procedure will be applied for<br />
the intraregional transport distances. For intraregional transport no distance can be determined<br />
based on a transport network since the origin and the destination are the same. A procedure will<br />
be applied in which the distance for intraregional transport will be determined by region based<br />
on a number of characteristics of the region (such as the area of a region and/or economic<br />
activity of a region).<br />
Once the transport distance data is available in the requested format, the transport performance<br />
information is calculated by multiplying the distance by the relevant variables.<br />
Validation and modification of results – use of CAFT and national sources<br />
Finally, when the final freight O/D matrix has been constructed, the results will be validated by<br />
comparing the results with CAFT data and with data from national sources (regional<br />
Document2<br />
27 May 2004<br />
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