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A740 (Glasgow Airport - Johnstone)

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A740
A740 (Glasgow Airport - Johnstone).png
Cameraicon.png View gallery (4)
From:  Glasgow Airport (NS467655)
To:  Johnstone (NS446642)
Distance:  1.5 miles (2.4 km)
Met (1972) M8, A726, A761
Now part of:  A737
Traditional Counties

Renfrewshire

Route outline (key)
A740 Glasgow Airport - Johnstone
This article is about a route between Glasgow Airport and Johnstone used post-1969.
For the original route between Paisley and Old Kilpatrick, see A740 (Paisley - Old Kilpatrick)
.


Approaching the M8 on the A737 (former A740)

The A740 was the number used for the dual-carriageway link between the M8 and the A761 at Linwood, opened about 1969. The road is now the eastern end of the A737 the A740 number has now disappeared for the second time.

At the time the A740 was built, the A737 still ran through the centres of both Johnstone and Paisley, and joined the A8 in the Ibrox area of west Glasgow. The A761 ended at a T-junction on the A737 between Johnstone and Paisley (now a roundabout).

The A740 was a completely new road, dual carriageway all the way, from the M8 roundabout at J10 (renumbered as J29 in the early 1980s), through to a new roundabout on the A761 . It finished just a couple of hundred yards from the gates of the Linwood car plant (see Linwood and Linwood No More). Previously, all Linwood traffic had been taken right through the centre of Paisley.

The large roundabout on the M8 was already lopsided before the A740 was built, suggesting that it had been designed to take the second dual-carriageway on the south side. (Another correspondent has a 1968 map showing motorway as A8(M), with a spur, also A8(M), through to Linwood - showing what might have been. The A740/A737 is known locally as 'the motorway', so the actual designation doesn't really matter.) Certainly, plans for the "Johnstone Motorway" exist at this time.

I suspect that the roundabout on the A761, at the western end of the A740, was all ready for a grade-separated extension when built in 1969. Although this isn't certain from the one-inch maps, it is very clearly shown on the later 1:50000 sheets. The westward extension came in the early 1990s, with nearly two miles of new dual carriageway around Johnstone and a further three miles of new single carriageway to join the old A737 west of Howwood.

The dual carriageway was also extended eastwards, with a flyover to avoid the large roundabout at J29, and finishing at a new junction on the M8 - J28A. The west facing slip roads at J28 had to be removed, and were lengthened on either side of the motorway to reach the roundabout at J29 instead.

This extended dual carriageway was given the A737 number right through to the M8, with the old A737 route through Johnstone becoming the B787, and the A761 number extended along the old route through Paisley to Ibrox.

Original Author(s): David D Miller





A740 (Glasgow Airport - Johnstone)
Junctions
Miscellaneous
Related Pictures
View gallery (4)
A740 (Glasgow Airport - Johnstone).pngSt James Interchange 1972.PNGThe A740 - Coppermine - 15225.jpgRoad Sign on A737 (C) Gordon Dowie - Geograph - 1817363.jpg
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A740 • A741 • A742 • A743 • A744 • A745 • A746 • A747 • A748 • A749 • A750 • A751 • A752 • A753 • A754 • A755 • A756 • A757 • A758 • A759
A760 • A761 • A762 • A763 • A764 • A765 • A766 • A767 • A768 • A769 • A770 • A771 • A772 • A773 • A774 • A775 • A776 • A777 • A778 • A779
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Defunct Itineraries: A720 • A727 • A739 • A740 • A752 • A754