Am I legally permitted to undertake on the motorway in heavy traffic? A policeman stopped me from doing so.

Last year you published a letter from someone about passing on the inside lane on a motorway. The writer said he had been summoned by the police and defended the case. He was acquitted because the court...

Crash dummies

You may have seen that an analysis of 50,000 crashes uncovered a 48% rise in "lane changing manoeuvres" between 2009 and 2011 as the cause. In the majority of cases, collisions occurred when drivers pulled...

Is undertaking on a motorway actually an offence?

You frequently receive correspondence from people referring to the problem of 'CLOG's (Centre Lane Owners Group). That will frequently lead to retorts about 'undertaking' and its illegality. I'm not sure...

Why don't motorway drivers check over their shoulders before changing lane?

You are absolutely correct that a lorry driver's awareness of other drivers will affect the way he acts. Those other drivers have a duty to let the truck driver know where we are. The Highway Code states...

Could you start a special advice column about how to drive safely on motorways?

A couple of recent letters in your column worryingly reveal how unaware some fellow drivers are of how to drive more safely on motorways. The most common failures can all be summarised, in my view, by...

Was this woman right to say that cars should not undertake her on the motorway?

My partner and I witnessed a very disturbing situation on the M4. An idiot of a woman driving a Discovery hogged the outside lane doing about 65 to 70mph. As soon as the middle lane became empty the car...

The Highway Code says that motorists joining a motorway from a slip road are bound to give way - do you agree?

I have just read your response to a reader concerning how to join a motorway. The reader wrote that drivers joining the motorway have no right of way but your reply says otherwise. You wrote: “The priority...

Why did you write that people joining a motorway from a slip road should expect drivers on the motorway to give way?

Your reply in the Telegraph suggests that people joining the motorway should expect drivers already on the carriageway to give way when it is very clear that the responsibility for merging safely is firmly...

Why is undertaking still considered 'careless driving'?

What is this latest nonsense of classifying passing on the nearside as careless driving? On a journey from Inverness to Birmingham at the beginning of this week, I must have undertaken 30 - 40 vehicles...

Why is it important for lorry drivers to be able to see me in their mirrors?

I frequently see lorries with signs on the back which read, "If you can't see my mirrors, I can't see you" and my first thought is always "So what?". How does the driver knowing of my presence affect the...