Network Evaluation from Survey and Assignment (NESA)

NESA is a computer program developed and maintained by Transport Scotland that is used to assess proposed road schemes, measuring their impact on traffic and the economy in the surrounding area.

Contacts
For all general NESA inquiries, plus support etc., users should email: NESA-support@sias.com.

Program Availability, NESA Manual and Guidance Documents 
A copy of the executable NESA file can be obtained by completing an order form at http://www.sias.com/ng/NESA/NESA.htm and returning it to:

SIAS Ltd.
37 Manor Place
Edinburgh
EH3 7EB

The program will be issued on CD-ROM together with an electronic copy of the most up to date NESA Manual (as a PDF).