https://www.trains.com/grw/how-to/projects/roadbed-made-from-plastic-carpet-chair-mats/
Looking for an inexpensive solution for track work on your garden railway? Try making roadbed made from plastic carpet chair mats.
chair matsroadbedmadeplasticcarpet
https://www.trains.com/grw/how-to/projects/durable-roadbed-for-garden-railroads/
Neptali Martinez writes about the best methods and means to install durable roadbed for garden railroads, especially for use outside.
garden railroadsdurableroadbedtrains
https://ahcw5291999.en.made-in-china.com/product/BAqrCegcCUhP/China-New-Polymer-Polypropylene-Geocell-for-Ground-Stabilization-Grass-Slope-Protection-Roadbed-Reinforcement.html
New Polymer Polypropylene Geocell for Ground Stabilization Grass Slope Protection Roadbed Reinforcement, Find Details and Price about Honeycomb Grid HDPE Geo...
slope protectionnewpolymerpolypropylenegeocell
https://www.trains.com/vid/modeling/series/in-the-workshop/laying-down-cork-roadbed/
As part of the In The Workshop series, Steve Otte shares his helpful tips, tricks, and insights for adding cork roadbed to a layout.
layingcorkroadbedtrains