Appendix C – Waikato Expressway – estimated costs over time

Unit: $ millions nominal.

Estimated project cost Estimated
construction cost
Section
Completed 2002
2006
2011/12
2014
2018
2021
2022
Mercer July 2006 74.5 82.0
-
-
-
Longswamp
and Rangiriri
December 2020 33.0
55.7
117.0
70.0
96.0
92.0
92.0
26.0
26.0
105.0
131.0
123.0
123.0
Huntly
February 2020 100.0
200.0
579.0
470.0
409.0
383.0
383.0
Ngāruawāhia
December 2013 50.0
200.0
248.0
190.0
160.0
166.0
166.0
Te Rapa
December 2013 -
-
194.0
195.0 172.0
172.0
172.0
Hamilton
TBC
130.0
280.0
890.0
790.0
637.0
837.0
837.0
Cambridge
December 2015
39.0
70.0
204.0
230.0
218.0
182.0 182.0
Source: Transit NZ Waka Kotahi NZ Transport Authority

Source: Principal Economics, Transit NZ, Waka Kotahi NZ Transport Authority

Note: Target completion dates are sourced from a snapshots of the Transit NZ and Waka Kotahi NZ Transport Authority websites during the years shows in Table 5. Completion have been sourced from Beehive and Waka Kotahi NZ Transport Authority media releases and project overviews. Where a range has been given for estimated project cost we have used the higher of the two values.