Question 1

What does the tender “Central Line Signalling Incremental Upgrade Early Contractor Involvement - Variation 3 (Proof of Concept)” cover and in which sector is it issued?

Accepted Answer

The tender “Central Line Signalling Incremental Upgrade Early Contractor Involvement - Variation 3 (Proof of Concept)” is a tender record in Taiyo, linked to the Mass Transit sector. It is issued for works, goods, or services related to United Kingdom.

Question 2

What is the current bidding status of the tender “Central Line Signalling Incremental Upgrade Early Contractor Involvement - Variation 3 (Proof of Concept)”?

Accepted Answer

The status recorded for “Central Line Signalling Incremental Upgrade Early Contractor Involvement - Variation 3 (Proof of Concept)” is complete.

Question 3

What is the procurement method and commercial structure for “Central Line Signalling Incremental Upgrade Early Contractor Involvement - Variation 3 (Proof of Concept)”?

Accepted Answer

The budget is USD 2493853.

Question 4

How can I verify the tender source and access bidding documents for “Central Line Signalling Incremental Upgrade Early Contractor Involvement - Variation 3 (Proof of Concept)”?

Accepted Answer

Taiyo’s tender pages link back to the originating system via https://www.find-tender.service.gov.uk/Notice/006250-2026, referencing GOV.UK as the source. Users can follow the official link to download tender documents and submission instructions.

Original status	complete
Taiyo status	Closed
Taiyo last update	2026-11-03

Record type	Tender
Sector	Mass Transit, Rail, Road
Article published date	2026-01-24

Central Line Signalling Incremental Upgrade Early Contractor Involvement - Variation 3 (Proof of Concept)

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Description	This variation relates to a 12?month extension of the Early Contractor Involvement (ECI) contract with Siemens Mobility under the Central Line Signalling Incremental Upgrade Project (CSIP) for the Eastern section of the Central Line, known as Wayside East. In addition, approval is requested for an ...
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Source	GOV.UK
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Central Line Signalling Incremental Upgrade Early Contractor Involvement - Variation 3 (Proof of Concept)

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