Hertfordshire County Council has issued an OJEU notice seeking a contractor for the £80m Croxley Rail Link in Watford.
The scheme, valued at £60m to £80m involves construction of a 4.5km proposed diversion and extension of the Watford Branch of the Metropolitan Line to Watford Junction via Watford High Street.
New stations will be provided on the new rail link at Ascot Road, which forms a park and ride site for the area, and Watford General Hospital serving the proposed Watford Health Campus.
A viaduct and embankment linking the current Metropolitan Line 1.3km south of the existing Watford terminus to the disused rail alignment between Croxley and Watford High Street.
Reinstatement of double track on the disused Croxley alignment, including a new junction with the Watford Junction to London Euston DC route at Watford High Street.
Work to bring the bridges, cuttings and embankments on the disused Croxley alignment into operational use; provision of new substation;
New stations at Ascot Road and Watford General Hospital with provision of ticket gates and other requisite assets, facilities and systems; platform extensions and track layout alterations at Watford Junction; alterations to traction power; an additional rolling stock unit to deliver the extended services; and possibly signalling alterations.
The time limit for interested parties to participate in the two-stage tender process is 7 June at 12pm.
Further general information about the scheme can be found at www.croxleyraillink.com