diff --git a/linetrack_slopes/init.lua b/linetrack_slopes/init.lua
new file mode 100644
index 0000000..0aec4be
--- /dev/null
+++ b/linetrack_slopes/init.lua
@@ -0,0 +1,71 @@
+-- twi_mods/linetrack_slopes/init.lua
+-- Road lines for buses on various surfaces
+-- Copyright (C) 2025  1F616EMO
+-- SPDX-License-Identifier: LGPL-2.1-or-later
+
+local S = core.get_translator("linetrack_slopes")
+
+local variants_to_quantity_prices = {
+    { "linetrack:roadtrack_slope1",   30, 10 },
+    { "linetrack:roadtrack_slope2",   30, 10 },
+    { "linetrack:roadtrack_slab",     30, 10 },
+
+    { "linetrack:roadtrack_slab_atc", 5,  15 },
+}
+
+local shop_entries = {}
+
+for _, name in ipairs({
+    -- default
+    "default:sandstone",
+    "default:silver_sandstone",
+    "default:desert_sandstone",
+
+    -- moreblocks
+    "moreblocks:cobble_compressed",
+    "moreblocks:tar",
+
+    -- bakedclay (omitting black)
+    "bakedclay:natural",
+    "bakedclay:white",
+    "bakedclay:grey",
+    "bakedclay:red",
+    "bakedclay:yellow",
+    "bakedclay:green",
+    "bakedclay:cyan",
+    "bakedclay:blue",
+    "bakedclay:magenta",
+    "bakedclay:orange",
+    "bakedclay:violet",
+    "bakedclay:brown",
+    "bakedclay:pink",
+    "bakedclay:dark_grey",
+    "bakedclay:dark_green",
+
+    -- minetest_errata
+    "minetest_errata:desert_sandstone_cobble",
+    "minetest_errata:sandstone_cobble",
+    "minetest_errata:silver_sandstone_cobble",
+}) do
+    local node_def = core.registered_nodes[name]
+    if node_def then
+        local surface_name = string.gsub(name, ":", "_")
+        local description = node_def.short_description or node_def.description or name
+        local texture = node_def.tiles and node_def.tiles[1] or "blank.png"
+
+        linetrack.regiser_roadline_for_surface(surface_name, description, texture)
+
+        for _, data in ipairs(variants_to_quantity_prices) do
+            shop_entries[#shop_entries + 1] = {
+                item = ItemStack(data[1] .. "_" .. surface_name .. "_placer " .. data[2]),
+                cost = data[3],
+            }
+        end
+    end
+end
+
+shop_dialog.register_dialog("linetrack_slopes:roadline_elevated", {
+    title = S("Elevated Road Lines Admin Shop"),
+
+    entries = shop_entries,
+})
diff --git a/linetrack_slopes/mod.conf b/linetrack_slopes/mod.conf
new file mode 100644
index 0000000..1308ec8
--- /dev/null
+++ b/linetrack_slopes/mod.conf
@@ -0,0 +1,3 @@
+name = linetrack_slopes
+depends = linetrack, shop_dialog
+optional_depends = default, moreblocks, bakedclay, minetest_errata
\ No newline at end of file