Quarterly Transport Activity Survey
- Quarterly Transport Activity Survey (QTAS) - October 2009 (pdf)
- Quarterly Transport Activity Survey (QTAS) - July 2009 (pdf)
- Quarterly Transport Activity Survey (QTAS) - April 2009 (pdf)
- Quarterly Transport Activity Survey (QTAS) - January 2009 (pdf)
- Quarterly Transport Activity Survey (QTAS) - October 2008 (pdf)
- Quarterly Transport Activity Survey (QTAS) - October 2007 (pdf)
- Quarterly Transport Activity Survey (QTAS) - July 2007 (pdf)
- Quarterly Transport Activity Survey (QTAS) - April 2007 (pdf)
- Quarterly Transport Activity Survey (QTAS) - January 2007 (pdf)
- Quarterly Transport Activity Survey (QTAS) - October 2006(pdf)
- Quarterly Transport Activity Survey (QTAS) - July 2006(pdf)
- Quarterly Transport Activity Survey (QTAS) - April 2006(pdf)
- Quarterly Transport Activity Survey (QTAS) - January 2006(pdf)
- Quarterly Transport Activity Survey (QTAS) - April 2005 (pdf)
- Quarterly Transport Activity Survey (QTAS) - January 2005 (pdf)
- Quarterly Transport Activity Survey (QTAS) - October 2004 (pdf)
- Quarterly Transport Activity Survey (QTAS) - July 2004 (pdf)
- Quarterly Transport Activity Survey (QTAS) - April 2004
- Quarterly Transport Activity Survey (QTAS) - January 2004
- Quarterly Transport Activity Survey (QTAS) - October 2003
- Quarterly Transport Activity Survey (QTAS) - July 2003
- Quarterly Transport Activity Survey (QTAS) - April 2003
- Quarterly Transport Activity Survey (QTAS) - January 2003
