Unless I have a complete about-turn (something that is by no means impossible) this will be my last post for Transport Blog.

I would love to say that I have agonized long and hard before arriving at this decision. But that wouldn't be true. The truth is that a large number of frustrations have built up over the last few months. Here are a few of them:

• It's too restrictive. I want to write about things other than transport. Of course, I have Croziervision for that sort of thing but the problem has been that my TB duties have tended to my neglecting CV.

• It doesn't have enough readers. Vain, moi? You bet. I write to be read - for the most part. TB gets a lot of hits but for the most part these are Google searches. Site Meter gives me some indication of what people have been looking for and as often as not I find myself thinking: "Didn't help that guy, did I?". Frankly, the market for a libertarian-inclined blog commenting on transport was always likely to be limited.

• Because there are not enough readers it is difficult to attract the writers. Why post on TB when you can get just as large an audience (if not larger) posting on your own blog?

• It's too big (in addition to being too restrictive). Really, to do it justice we should be covering everything: road, rail, air, sea, sleds and sand yachts. I can't even cover the UK rail industry properly.

• I have said more or less everything I have to say on the topic. OK, we never quite got round to finding the "why doesn't vertical fragmentation work on the railways?" Holy Grail and "Beeching II - no more Mr Nice Guy" will have to remain unpublished for a little longer but my views on road pricing, rail "privatisation" and positive externalities are, at least, out there.

• I have often found myself unsure where to put things. Is "In praise of the Porsche 911" a TB or a CV thing? Likewise "Bush v Kerry, Red v Blue, Sprawl v Smart - why the Democrats lose there and the Conservatives here".

• I want to do other things. I want to start a blog from scratch. I want a rail news blog. I want a BBC-bashingreview blog. I want a Modern Railways review blog. I want a digest blog.

• I've already made a start with the scratch blog.

• My views are starting to change. I am no longer convinced of the case for specialist commentary blogs. Nor am I any longer convinced of the case for group commentary blogs. Nowadays there are alternatives.

All this is not to say that Transport Blog has been a waste of time. Far from it. I have learnt a lot especially about compulsory purchase and Australian low-cost carriers and Mark III coaches. I also, and probably more importantly, have learnt a lot about blogging both from the technical and philosophical perspectives. The experience has not been a waste.

Finally, I would like to thank the following for their contributions (big and small) over the last two and a half years: Brian Micklethwait, Michael Jennings, Andy Wood, Mark Holland, Peter Cuthbertson, Gabriel Roth, David Farrer, Jackie D, Alan Little, Tim Hall, Mark Ellott, Andy Wakeford and Brian Hayes.

Update 08/12/04 I would like to thank everyone for their kind comments - keep them coming ;-). Talking of which the security codes are no longer displaying. Fret ye not - they don't work anyway and you can happily ignore them.

Just to let you know in case you missed my none-to-clear announcement above: I have a new blog. It is here. And I am sure I'll get round to writing about transport before too long.