West of Elderslie station was a flyunder which allowed a train from the station's slow westbound line to pass under the Ayr mainline to reach Cart Junction and then proceed to Greenock Princes Pier or south via Kilbarchan.
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This was a large junction of which little remains today, the trackbed being a footpath. The junction was on the south bank of the Black Cart Viaduct.
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This was a double track junction east of Johnstone station which was opened with the Greenock and Ayrshire Railway allowing a train from Ayrshire to take the line to Greenock Princes Pier. The north end of the curve was at Cart Junction.
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This was a large junction of which little remains today, the trackbed being a footpath. The junction was on the south bank of the Black Cart Viaduct.
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This was a two platform station with a goods yard on the north side, served from the east. It was located to the south east of Bridge of Weir.
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This is a disused five span double track viaduct over the River Gryfe in Bridge of Weir, west of Bridge of Weir [2nd]. The arches are skewed. The viaduct is 39 ft high.
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This intermediary box was between Kilmacolm and Bridge of Weir [2nd]. The box was on the south side of the lne just to the east of the occupational bridge at Scart Farm. The box was located at the top of the cutting to gain a clear view.
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This was a three platform station on the Elderslie to Greenock Princes Pier [2nd] line. Two platforms were through lines and a third, a bay on the westbound side, faced Greenock. The platforms were heavily canopied.
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Site of a possible short lived station at Upper Port Glasgow Siding? ...

This goods yard was not in Port Glasgow itself but located around a mile and a half south east. A station was (probably) not opened (Upper Port Glasgow).
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This siding was also known as Devol Glen Quarry siding and Gibbshill Siding. The siding was on the south side of the line, approached from the west, with Giibshill Signal Box on the north side of the line. Devol Glen Quarry was to the south of the siding.
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This junction was formed in 1886 when the James Watt Dock and a goods line to the dock at Inchgreen were opened. The junction was with the 1869 Greenock and Wemyss Bay Railway, part of the Glasgow and South Western Railway from 1872.
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This is a disused double track six arch masonry viaduct, over the Carts Burn, on the former Greenock and Ayrshire Railway located between the former Cartsburn Junction (to the east) and former Lynedoch station.
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This was a two platform station above Greenock, to the north. The station had access from Drumfrochar Road to the east. The main station building was on the eastbound platform.
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This junction was west of Greenock (Lynedoch) and provided access from the Greenock Princes Pier to Elderslie main line to the Lynedoch Goods yard, the Glasgow and South Western Railway's main goods yard within the town, south of the competing Caledonian Railway's Greenock Goods.
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This is a disused double track tunnel between the former Greenock Princes Pier [2nd] and Greenock (Lynedoch) stations. The tunnel is 718 yds long.
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This was a three road shed occupying a small cramped site on the west side line on its final approach to Greenock Princes Pier [2nd] from the Union Street Tunnel. Approach was from the south.
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In 1969 the former Greenock Princes Pier [2nd] was redeveloped as a container port. The railway was re-instated in 1971 to a set of siding laid out near the former Princes Pier Shed just to south of the A770. The disused railway bridge over the A770 was retained to allow vehicles to reach the sidings from the base.
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This was the terminus and pier of the Greenock and Ayrshire Railway in Greenock. The terminus and pier were built on reclaimed land, formerly Bay of Quick. Albert Harbour was built just to the east, the former Albert Quay. The pier opened, before the railway, in 1866. The station opened in 1869. It was replaced in 1894 by Greenock Princes Pier [2nd].
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Greenock Princes Pier was rebuilt for the Glasgow and South Western Railway in 1894 in a grand Italianate style. This was to counter the Gourock extension of the Caledonian Railway which opened in 1889 (and even the opening of Craigendoran Pier on the north bank in 1882).
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This junction was formed in 1886 when the James Watt Dock and a goods line to the dock at Inchgreen were opened. The junction was with the 1869 Greenock and Wemyss Bay Railway, part of the Glasgow and South Western Railway from 1872.
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This commercial dock was completed in 1886 for the Greenock Harbour Trust. It is a wet dock 2000 ft long (east-west) and 300-350 ft wide with a tongue at the east end. The dock's main entrance is from the west, alongside the Garvel Dry Dock. Another subsidiary entrance to the east connects with the Great Harbour [Greenock] . Both entrances were equipped with gates to allow the 32ft ...

The goods yard was on the north side of the Port Glasgow Road. It competed with the Caledonian Railway's Bogston Goods on the south side of the road. The sidings were at the end of a double track branch from Cartsburn Junction. It opened as part of the Glasgow and South Western Railway's railway to the 1886 James Watt Dock.
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This gas works was located on the shore west of Port Glasgow, specifically it was between the Inchgreen Graving Dock (west side) and Inch Works (Engineering and Shipbuilding) (east). The works had a small pier on the River Clyde on its north side. The land the gas works was located on had been the Inch, a small island before land reclamation of mudflats. It was opened by the [[Greenock ...

This junction was west of Greenock (Lynedoch) and provided access from the Greenock Princes Pier to Elderslie main line to the Lynedoch Goods yard, the Glasgow and South Western Railway's main goods yard within the town, south of the competing Caledonian Railway's Greenock Goods.
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