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Location Map ( geo)
Cameraicon.png View gallery (3)
From:  Langbank (NS377735)
To:  Millarston (NS456634)
Via:  Johnstone
Distance:  10.1 miles (16.3 km)
Meets:  A8, B786, B788, B790, A761 A737, B787, A761
Former Number(s):  A8, B788, A737
Primary Destinations
Highway Authorities


Traditional Counties


Route outline (key)
B789 Langbank - Houston
(B790) Houston
B789 Houston - Millarston
This article is about the current B789 from Johnstone to the Firth of Clyde.
For the original B789 to the west of Paisley, see B789 (Paisley)


The B789 is a link road in central Renfrewshire.

The road starts at a westbound LILO on the A8 Langbank bypass and heads east through town along Main Street alongside the A8. After passing the station the road bears left to a roundabout back on the A8. However, the mainline of the B789 TOTSOs here on the bend and continues east. Some maps do not show the B789 through Langbank as being part of the B789, presumably as the entire section is bypassed by the A8.

After continuing alongside the A8 for a short distance further the road bends sharply right and goes under the railway line. It then climbs out of town and follows a winding route across the fields to the south. We do pass a few buildings on this section but otherwise the road is quite rural.


Presently we reach the first settlement on the road since leaving Langbank, Houston. The road runs along Main Street and then climbs to a roundabout on the original line of the B790. That road's current line, the bypass, is reached at a T-junction shortly afterwards and there is a short multiplex to the left as far as a roundabout where the B789 regains its number by turning right. The original line of the B789 actually continued straight but the road has had a school built on top of it and is no longer a through route.

Heading south from the roundabout the present B789 meets the road's old route just before crossing the River Gryfe. We return to the open fields, bypassing the suburb of Craigends on the left. There's a dead-straight section then a sharp bend right leading to another dead-straight section which takes us to a roundabout on the A761. A short distance further on we cross the A737 at a signalised dumbbell GSJ to enter Johnstone. We run along the High Street and meet the B787 at traffic lights.

The B789 goes through the centre of town and climbs Thorn Brae to go over the Ayrshire Coast Line above the station. After levelling out we reach traffic lights and wheel left to go through Elderslea. The road continues alongside the railway line as we merge into the suburbs of Paisley. Just after going under a bridge carrying a dismantled railway line we end at a roundabout back on the A761.


On classification in 1922 the majority of the B789 was unclassified. The classified section started to the east of Brookfield and was numbered B788 through the centre of Johnstone, then A737 from there towards Paisley.

By 1932 a large section of the B788 had been upgraded to Class I status, becoming the A761. However, this bypassed Johnstone so the old road through the town became the B789.

The road was extended north to the A8 to the east of Langbank in 1935. In more recent years the A8 in the north and A737 in the south have both been moved onto bypasses, so the B789 has been extended along their pre-bypass routes.

Related Pictures
View gallery (3)
Houston, B789 - Geograph - 1626966.jpgTenement houses on Main Road - Geograph - 1646691.jpgApproaching the low disused railway bridge over Elderslie Main Road - Geograph - 1649502.jpg
Other nearby roads
B700 – B799
B700 • B701 • B702 • B703 • B704 • B705 • B706 • B707 • B708 • B709 • B710 • B711 • B712 • B713 • B714 • B715 • B716 • B717 • B718 • B719
B720 • B721 • B722 • B723 • B724 • B725 • B726 • B727 • B728 • B729 • B730 • B731 • B732 • B733 • B734 • B735 • B736 • B737 • B738 • B739
B740 • B741 • B742 • B743 • B744 • B745 • B746 • B747 • B748 • B749 • B750 • B751 • B752 • B753 • B754 • B755 • B756 • B757 • B758 • B759
B760 • B761 • B762 • B763 • B764 • B765 • B766 • B767 • B768 • B769 • B770 • B771 • B772 • B773 • B774 • B775 • B776 • B777 • B778 • B779
B780 • B781 • B782 • B783 • B784 • B785 • B786 • B787 • B788 • B789 • B790 • B791 • B792 • B793 • B794 • B795 • B796 • B797 • B798 • B799
Earlier versions: B705 • B706 • B707 • B708 • B713(E) • B713(W) • B714 • B715 • B716 • B724 • B727 • B730 • B734
B735 • B736 • B739 • B743 • B744 • B746 • B752 • B761 • B762 • B763 • B765 • B773 • B783 • B785 • B789 • B791

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