The reason it’s tunnelled is that it’s cheaper than building on the surface through residential North West London. I know the people who did this piece of work. The same applies alongside the WCML. To get a extra 2 tracks alongside the WCML from London to anywhere you care to mention inside the London Metropolitan area will be cheaper in tunnel than on the surface. Therefore, I’m afraid, you’re wrong.
There are over 50 freight paths each way every day on the WCML between Wembley and MK. Fewer than a third of them are to or from Felixstowe. Some of those are going to or from Daventry and therefore must use the WCML. The majority of the freight is to/from various locations in and around London and the South East. In any event, the cross country routes from Felixstowe and Southampton to the Midlands and north west are also at capacity, and plans to provide more capacity are very, very expensive. ‘Most’ freight (ie more than half) therefore does need to use the WCML. Therefore I’m afraid you’re wrong on this count too.
How would you do these detours, particularly without disadvantaging the people who use the stations on them? How would diverting the Met to Watford (which was proposed, but is not now happening) reduce demand on the WCML. (I’ll answer that one for you. It wouldn’t, the studies showed that)
How can it do both of these ? I don’t understand. If it is taking traffic south of Wembley it needs to be on the D.C. lines. If it is removed from the D.C. lines then you are building new tunnels through North West London, and we are back to point one.
You are in danger of answering your own questions.
How does Bakerloo service Kilburn to Wembley without using the WCML?
In a tunnel.
More than a third of freights are Felixstowe and both Hams Hall / Daventry are accessible via Nuneaton.
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