The TWID Software site is registered to Atkins Limited for the sales, support, maintenance and development of the TUBA, TEMPro, WITA and DIADEM software (the 'TTWD Software') on behalf of the Department for Transport (the 'Department').
Please wait whilst we re-direct you to the Department's Transport appraisal and modelling tools web page.
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Last updated 23 May 2018
Atkins Limited. Member of the SNC-Lavalin Group. Registered office: Woodcote Grove, Ashley Road, Epsom, Surrey KT18 58W. Registered in England 688424.