Roads
Most expensive roads
Highways Agency major roads [1]
| Name of Road | Cost at programme entry (£m) | Latest cost estimate (£m) |
| A14 Ellington to Fen Ditton | £490m | £1.2b |
| A1 Dishford to Barton | £225 | £752 |
| M25 J16 - J23 | £496 | £697 |
| M25 J27 - J30 | £402 | £583 |
| A46 Newark to Windmerpool | £82 | £506 |
| A3 Hindhead | £107 | £381 |
| Mottram-Tintwhistle Bypass | £90 | £315 |
| M1 J6 - J10 | £241 | £308 |
| M1 J34 - J37 | £470 | £246 |
| M1 J37 - J39 | £224 | £224 |
Local authority roads [2]
| Name of road | Cost at programme entry (£m) | Latest cost estimate (£m) |
| New Mersey Gateway | £390 | £390 |
| Carlisle Northern Route | £78 | £170 |
| Bexhill-Hastings Relief Road | £47 | £89 |
| A1073 Spalding to Eye | £45 | £80 |
| Weymouth Relief Road | £55 | £80 |
| East Kent Access (phase 2) | £64 | £71 |
| A13 / A130 Sadler's Farm | £64 | £67 |
| M4 J11 | £44 | £66 |
| Selly Oak Road | £36 | £58 |
| Leeds Inner Ring Road | £50 | £50 |
[1] The costs for these Highways Agency schemes come from a statement to the House of Commons by Roads Minister Tom Harris in March 2008 or the more recent Highways Agency's July 2008 costs estimate report (pdf).
[2] The costs for these local authority roads come from the Department for Transport, June 2008 (57k pdf)
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