A pre-1974 RAC map showing a motorway spur from M5 junction 21 to W-s-M town centre. This could explain the odd southbound off-slip on the M5.

OS map from 1974 showing the proposed A41(M). Note how the proposed route doesn't extent to Tring.

A41(M) Tring bypass - OS map from 1974

1985 AA map showing the A720 Edinburgh City bypass under construction.

RAC map showing several unbuilt motorways, including the M16, M23 extension, M11 extension and A41(M). Believed to be from around 1976 (Thanks to Chris Saunders for that info).

1970's Merseyside - RAC Map. Note the M531 and the long M57 spur - extending to the A57 (shown as built, aswell!)

Map from 1985 AA map showing the M85.

This late 1960's map shows the Erskine Bridge as part of the M898. Of course, today, the M898 ends at the junction to the south of the bridge.

Manchester Motorways - The stretch between Stockport and the M67 can be seen numbered as the M66. It also has an unbuilt spur. Also note the A6144(M) under construction.

The Kingsbridge area from the AA's "Close-up Britain" atlas. It shows that the ols anamoly of the A379 and A381 having no A-road connection as a thing of the past.

Old Bartholemews map showing a motorway spurto the A1.

A-Z Atlas 2007 showing an odd layout at M5 junction 12.

A mistake in the new Aa atlas showing the A421 Great Barford bypass as a single carriageway.

The new AA atkas showing the northern Mersey Tunnel as the A59.

The A6144(M) STILL exists in the latest AA atlas.

Several mistakes regarding the new A1(M) near Ferrybridge in the new AA atlas. The A1246 has been labelled as the A63, the A63 west of J42 is primary, J42's layout is wrong and J40 is shown completely as motorway.

Scan from the new AA atlas showing the Wetherby-Bramham stretch of the A1 as A1(M).