diff --git a/feeds/de.json b/feeds/de.json
index 807726942..d91b7b00d 100644
--- a/feeds/de.json
+++ b/feeds/de.json
@@ -85,6 +85,7 @@
             "http-options": {
                 "fetch-interval-days": 1
             },
+            "script": "de-VBN.lua",
             "license": {
                 "spdx-identifier": "CC-BY-SA-4.0"
             }
diff --git a/scripts/ch-opentransport-colors.lua b/scripts/ch-opentransport-colors.lua
new file mode 100644
index 000000000..981fc6266
--- /dev/null
+++ b/scripts/ch-opentransport-colors.lua
@@ -0,0 +1,251 @@
+-- autogenerated by generate_colors.py
+-- SPDX-FileCopyrightText: contributors of https://github.com/Traewelling/line-colors
+-- SPDX-License-Identifier: CC0-1.0
+
+local colors = {
+    ["Appenzeller Bahnen"] = {
+        ["S15"] = { color = 0x845534, text_color = 0xffffff },
+        ["S20"] = { color = 0xb6522b, text_color = 0xffffff },
+        ["S21"] = { color = 0x00908c, text_color = 0xffffff },
+        ["S22"] = { color = 0xb80e80, text_color = 0xffffff },
+        ["S23"] = { color = 0xc99115, text_color = 0xffffff },
+        ["S24"] = { color = 0x3aaa35, text_color = 0xffffff },
+        ["S25"] = { color = 0x72a8db, text_color = 0xffffff },
+        ["S26"] = { color = 0xb85f5c, text_color = 0xffffff },
+    },
+    ["Autobus AG Liestal"] = {
+        ["70"] = { color = 0xffdd00, text_color = 0x000000 },
+        ["71"] = { color = 0x95c11f, text_color = 0xffffff },
+        ["72"] = { color = 0x5a6f85, text_color = 0xffffff },
+        ["74"] = { color = 0xa36009, text_color = 0xffffff },
+        ["75"] = { color = 0x7b77b6, text_color = 0xffffff },
+        ["76"] = { color = 0x00a7a6, text_color = 0xffffff },
+        ["78"] = { color = 0xf39200, text_color = 0x000000 },
+        ["80"] = { color = 0xe4032e, text_color = 0xffffff },
+        ["81"] = { color = 0xf088b6, text_color = 0x000000 },
+        ["82"] = { color = 0x13a538, text_color = 0xffffff },
+        ["83"] = { color = 0x0094d2, text_color = 0xffffff },
+    },
+    ["Automobildienst Appenzeller Bahnen"] = {
+        ["841"] = { color = 0x000000, text_color = 0xffffff },
+    },
+    ["BLS AG (bls)"] = {
+        ["S1"] = { color = 0x50b447, text_color = 0xffffff },
+        ["S2"] = { color = 0x1cb1e6, text_color = 0xffffff },
+        ["S3"] = { color = 0x8868b3, text_color = 0xffffff },
+        ["S31"] = { color = 0xb0aa38, text_color = 0xffffff },
+        ["S4"] = { color = 0x53c4af, text_color = 0xffffff },
+        ["S44"] = { color = 0x646026, text_color = 0xffffff },
+        ["S5"] = { color = 0x881c3f, text_color = 0xffffff },
+        ["S51"] = { color = 0x9cc843, text_color = 0xffffff },
+        ["S52"] = { color = 0xf7cf39, text_color = 0xffffff },
+        ["S6"] = { color = 0x0165b6, text_color = 0xffffff },
+        ["S7"] = { color = 0x73c0e8, text_color = 0xffffff },
+        ["S77"] = { color = 0x7a84c4, text_color = 0xffffff },
+    },
+    ["Baselland Transport"] = {
+        ["10"] = { color = 0xfec800, text_color = 0x000000 },
+        ["105"] = { color = 0xbec2c3, text_color = 0x000000 },
+        ["106"] = { color = 0xbec2c3, text_color = 0x000000 },
+        ["107"] = { color = 0xbec2c3, text_color = 0x000000 },
+        ["108"] = { color = 0xbec2c3, text_color = 0x000000 },
+        ["109"] = { color = 0xbec2c3, text_color = 0x000000 },
+        ["11"] = { color = 0xe7000e, text_color = 0xffffff },
+        ["110"] = { color = 0xbec2c3, text_color = 0x000000 },
+        ["17"] = { color = 0x00a1e5, text_color = 0xffffff },
+        ["19"] = { color = 0x7c217d, text_color = 0xffffff },
+        ["37"] = { color = 0xcfd0d0, text_color = 0x000000 },
+        ["47"] = { color = 0xadafaf, text_color = 0x000000 },
+        ["58"] = { color = 0xadafaf, text_color = 0x000000 },
+        ["59"] = { color = 0xadafaf, text_color = 0x000000 },
+        ["60"] = { color = 0xcfd0d0, text_color = 0x000000 },
+        ["61"] = { color = 0xadafaf, text_color = 0x000000 },
+        ["62"] = { color = 0xadafaf, text_color = 0x000000 },
+        ["64"] = { color = 0xcfd0d0, text_color = 0x000000 },
+        ["65"] = { color = 0xadafaf, text_color = 0x000000 },
+        ["66"] = { color = 0xadafaf, text_color = 0x000000 },
+        ["92"] = { color = 0xbec2c3, text_color = 0x000000 },
+        ["93"] = { color = 0xbec2c3, text_color = 0x000000 },
+        ["E11"] = { color = 0xe7000e, text_color = 0xffffff },
+    },
+    ["Basler Verkehrsbetriebe"] = {
+        ["1"] = { color = 0x7c4425, text_color = 0xffffff },
+        ["14"] = { color = 0xf17900, text_color = 0xffffff },
+        ["15"] = { color = 0x00943d, text_color = 0xffffff },
+        ["16"] = { color = 0xa6c700, text_color = 0x000000 },
+        ["2"] = { color = 0xa47e42, text_color = 0xffffff },
+        ["21"] = { color = 0x00a192, text_color = 0xffffff },
+        ["3"] = { color = 0x364093, text_color = 0xffffff },
+        ["30"] = { color = 0xadafaf, text_color = 0x000000 },
+        ["31"] = { color = 0xadafaf, text_color = 0x000000 },
+        ["32"] = { color = 0xadafaf, text_color = 0x000000 },
+        ["33"] = { color = 0xcfd0d0, text_color = 0x000000 },
+        ["34"] = { color = 0xadafaf, text_color = 0x000000 },
+        ["35"] = { color = 0xcfd0d0, text_color = 0x000000 },
+        ["36"] = { color = 0xadafaf, text_color = 0x000000 },
+        ["38"] = { color = 0xcfd0d0, text_color = 0x000000 },
+        ["42"] = { color = 0xcfd0d0, text_color = 0x000000 },
+        ["45"] = { color = 0xadafaf, text_color = 0x000000 },
+        ["46"] = { color = 0xcfd0d0, text_color = 0x000000 },
+        ["47"] = { color = 0xcfd0d0, text_color = 0x000000 },
+        ["48"] = { color = 0xadafaf, text_color = 0x000000 },
+        ["50"] = { color = 0xcfd0d0, text_color = 0x000000 },
+        ["6"] = { color = 0x0068b2, text_color = 0xffffff },
+        ["8"] = { color = 0xed6aa4, text_color = 0xffffff },
+    },
+    ["Funiculaire Neuchâtel-Université - Neuchâtel-Gare"] = {
+        ["110"] = { color = 0x7dcdbe, text_color = 0xffffff },
+    },
+    ["PostAuto AG"] = {
+        ["100"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["101"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["102"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["103"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["104"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["111"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["112"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["113"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["114"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["115"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["116"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["117"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["118"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["119"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["133"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["134"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["135"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["136"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["137"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["139"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["141"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["142"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["143"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["144"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["149"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["67"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["68"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["69"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["73"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["77"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["84"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["85"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["86"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["88"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["89"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["90"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["94"] = { color = 0xffcc00, text_color = 0x000000 },
+        ["99"] = { color = 0xffcc00, text_color = 0x000000 },
+    },
+    ["Rhätische Bahn"] = {
+        ["IR38"] = { color = 0xea8c00, text_color = 0xffffff },
+        ["R15"] = { color = 0xc80205, text_color = 0xffffff },
+        ["R16"] = { color = 0x438bc3, text_color = 0xffffff },
+        ["R19"] = { color = 0xa2bb04, text_color = 0xffffff },
+        ["RE1"] = { color = 0x25a9aa, text_color = 0xffffff },
+        ["RE13"] = { color = 0x25a9aa, text_color = 0xffffff },
+        ["RE2"] = { color = 0xa97400, text_color = 0xffffff },
+        ["RE24"] = { color = 0xa97400, text_color = 0xffffff },
+        ["RE3"] = { color = 0x25a9aa, text_color = 0xffffff },
+        ["RE4"] = { color = 0xa97400, text_color = 0xffffff },
+        ["RE6"] = { color = 0x00549d, text_color = 0xffffff },
+        ["RE7"] = { color = 0x941680, text_color = 0xffffff },
+        ["RE8"] = { color = 0x683419, text_color = 0xffffff },
+        ["RE9"] = { color = 0x008a39, text_color = 0xffffff },
+        ["S1"] = { color = 0xd40074, text_color = 0xffffff },
+        ["S2"] = { color = 0xe8ac00, text_color = 0xffffff },
+    },
+    ["Schweizerische Bundesbahnen SBB"] = {
+        ["S1"] = { color = 0x1bb04d, text_color = 0xffffff },
+        ["S2"] = { color = 0xf93f27, text_color = 0xffffff },
+        ["S3"] = { color = 0xfe7d25, text_color = 0xffffff },
+        ["S9"] = { color = 0xa3cf45, text_color = 0xffffff },
+        ["S99"] = { color = 0x95b15e, text_color = 0xffffff },
+    },
+    ["Service d'automobiles TRN (vr)"] = {
+        ["422"] = { color = 0xd682b5, text_color = 0xffffff },
+        ["423"] = { color = 0x00854c, text_color = 0xffffff },
+        ["425"] = { color = 0xe6007e, text_color = 0xffffff },
+        ["426"] = { color = 0x4696d2, text_color = 0xffffff },
+        ["590"] = { color = 0xe30613, text_color = 0xffffff },
+        ["591"] = { color = 0x00854c, text_color = 0xffffff },
+    },
+    ["Transports Publics Neuchâtelois SA"] = {
+        ["111"] = { color = 0xd7e141, text_color = 0x000000 },
+        ["112"] = { color = 0x009155, text_color = 0xffffff },
+    },
+    ["Transports Publics Neuchâtelois SA (cmn)"] = {
+        ["R15"] = { color = 0x7dcdbe, text_color = 0x000000 },
+        ["R22"] = { color = 0x78af41, text_color = 0xffffff },
+        ["R24"] = { color = 0xd282b4, text_color = 0xffffff },
+    },
+    ["Transports Publics Neuchâtelois SA (rvt)"] = {
+        ["R21"] = { color = 0x912891, text_color = 0xffffff },
+    },
+    ["Transports Publics Neuchâtelois SA (tc)"] = {
+        ["301"] = { color = 0x312783, text_color = 0xffffff },
+        ["302"] = { color = 0xe30613, text_color = 0xffffff },
+        ["303"] = { color = 0xdedd26, text_color = 0x000000 },
+        ["304"] = { color = 0x00854c, text_color = 0xffffff },
+        ["310"] = { color = 0xd682b5, text_color = 0xffffff },
+        ["311"] = { color = 0xef7d00, text_color = 0xffffff },
+        ["312"] = { color = 0x951b81, text_color = 0xffffff },
+        ["341"] = { color = 0x423e8d, text_color = 0xffffff },
+        ["342"] = { color = 0xe30613, text_color = 0xffffff },
+        ["343"] = { color = 0x912891, text_color = 0xffffff },
+        ["352"] = { color = 0xe30613, text_color = 0xffffff },
+        ["353"] = { color = 0xdedd26, text_color = 0x000000 },
+        ["354"] = { color = 0x00854c, text_color = 0xffffff },
+        ["360"] = { color = 0x4a96d2, text_color = 0xffffff },
+        ["361"] = { color = 0x8acbc1, text_color = 0x000000 },
+        ["370"] = { color = 0xe6007e, text_color = 0xffffff },
+    },
+    ["Transports Publics Neuchâtelois SA (tn)"] = {
+        ["101"] = { color = 0x312783, text_color = 0xffffff },
+        ["102"] = { color = 0x4a96d2, text_color = 0xffffff },
+        ["106"] = { color = 0xd682b5, text_color = 0xffffff },
+        ["107"] = { color = 0xe30613, text_color = 0xffffff },
+        ["108"] = { color = 0x00854c, text_color = 0xffffff },
+        ["109"] = { color = 0x951b81, text_color = 0xffffff },
+        ["120"] = { color = 0xef7d00, text_color = 0xffffff },
+        ["121"] = { color = 0x95c11f, text_color = 0xffffff },
+        ["122"] = { color = 0x8acbc1, text_color = 0x000000 },
+        ["421"] = { color = 0xdedd26, text_color = 0x000000 },
+    },
+    ["Verkehrsbetrieb LIECHTENSTEINmobil"] = {
+        ["11"] = { color = 0xfdc300, text_color = 0x000000 },
+        ["12"] = { color = 0x283583, text_color = 0xffffff },
+        ["12E"] = { color = 0x6e6ba9, text_color = 0xffffff },
+        ["13"] = { color = 0x3fa535, text_color = 0xffffff },
+        ["13E"] = { color = 0x3fa535, text_color = 0xffffff },
+        ["14"] = { color = 0xcd1719, text_color = 0xffffff },
+        ["21"] = { color = 0x007a8c, text_color = 0xffffff },
+        ["22"] = { color = 0x6fa8b3, text_color = 0xffffff },
+        ["24"] = { color = 0x0095db, text_color = 0xffffff },
+        ["26"] = { color = 0xf39200, text_color = 0xffffff },
+        ["31"] = { color = 0xed6a5b, text_color = 0xffffff },
+        ["32"] = { color = 0xa41753, text_color = 0xffffff },
+        ["33"] = { color = 0x944127, text_color = 0xffffff },
+        ["35"] = { color = 0xc7b649, text_color = 0xffffff },
+        ["36E"] = { color = 0x9e1981, text_color = 0xffffff },
+        ["37"] = { color = 0x4a5da7, text_color = 0xffffff },
+        ["38"] = { color = 0x4d3078, text_color = 0xffffff },
+        ["40"] = { color = 0x7b6a58, text_color = 0xffffff },
+        ["44"] = { color = 0xbdbcbc, text_color = 0xffffff },
+        ["46"] = { color = 0x35434f, text_color = 0xffffff },
+        ["48"] = { color = 0x8b696b, text_color = 0xffffff },
+        ["B"] = { color = 0xe64d33, text_color = 0xffffff },
+        ["C"] = { color = 0x666666, text_color = 0xffffff },
+        ["N1"] = { color = 0x6f6352, text_color = 0xffffff },
+        ["N2"] = { color = 0xe64d33, text_color = 0xffffff },
+        ["N3"] = { color = 0x80b333, text_color = 0xffffff },
+        ["N4"] = { color = 0x666666, text_color = 0xffffff },
+    },
+    ["Zentralbahn"] = {
+        ["S4"] = { color = 0xaa2a3f, text_color = 0xffffff },
+        ["S41"] = { color = 0x055d80, text_color = 0xffffff },
+        ["S44"] = { color = 0xd35d68, text_color = 0xffffff },
+        ["S5"] = { color = 0xfb47a3, text_color = 0xffffff },
+        ["S55"] = { color = 0xfc87bf, text_color = 0xffffff },
+    },
+}
+return colors
diff --git a/scripts/de-VBN-colors.lua b/scripts/de-VBN-colors.lua
new file mode 100644
index 000000000..e64aa14d8
--- /dev/null
+++ b/scripts/de-VBN-colors.lua
@@ -0,0 +1,18 @@
+-- autogenerated by generate_colors.py
+-- SPDX-FileCopyrightText: contributors of https://github.com/Traewelling/line-colors
+-- SPDX-License-Identifier: CC0-1.0
+
+local colors = {
+    ["Braunschweiger Verkehrs-GmbH"] = {
+        ["1"] = { color = 0xe2000a, text_color = 0xffffff },
+        ["10"] = { color = 0xe2000a, text_color = 0xffffff },
+        ["1E"] = { color = 0xe2000a, text_color = 0xffffff },
+        ["2"] = { color = 0x93c019, text_color = 0xffffff },
+        ["2E"] = { color = 0x93c019, text_color = 0xffffff },
+        ["3"] = { color = 0x006430, text_color = 0xffffff },
+        ["3E"] = { color = 0x006430, text_color = 0xffffff },
+        ["4"] = { color = 0x009ee2, text_color = 0xffffff },
+        ["411"] = { color = 0xb1a85c, text_color = 0xffffff },
+    },
+}
+return colors
diff --git a/scripts/de-VBN.lua b/scripts/de-VBN.lua
new file mode 100644
index 000000000..444948b75
--- /dev/null
+++ b/scripts/de-VBN.lua
@@ -0,0 +1,73 @@
+-- SPDX-FileCopyrightText: Felix Gündling <felixguendling@gmail.com>
+-- SPDX-License-Identifier: AGPL-3.0-or-later
+
+local colors = require 'scripts.de-VBN-colors'
+
+function is_number(str)
+  return not (str == "" or str:find("%D"))
+end
+
+function remove_leading_zeros(str)
+  return string.format("%d", tonumber(str))
+end
+
+-- routes from international operators that need their display names fixed
+-- { source route type, route name }
+
+-- i reckon, the intl_name_map thing could be deleted, couldn't see that in VBN data
+--local intl_name_map = {
+--    { 102, "EC" },
+--    { 102, "IC" },
+--    { 101, "ICE" },
+--    { 102, "NJ" },
+--    { 101, "RJ" },
+--    { 102, "RJX" },
+--    { 101, "THA" },
+--}
+
+--not sure about that but i don't think leaving it uncommented breaks anything
+
+function process_trip(trip)
+  if trip:get_route():get_agency():get_name() == 'DB Fernverkehr AG' and is_number(trip:get_short_name()) then
+    -- Format trip_short_name=`00123` to train number 123
+    if trip:get_route():get_route_type() == 101 then
+      trip:set_short_name('ICE ' .. remove_leading_zeros(trip:get_short_name()))
+      trip:set_display_name(trip:get_short_name())
+    elseif trip:get_route():get_route_type() == 102 then
+      trip:set_short_name('IC ' .. remove_leading_zeros(trip:get_short_name()))
+      trip:set_display_name(trip:get_short_name())
+    end
+  else
+    -- international operators without line names in the route short name
+    for _,m in ipairs(intl_name_map) do
+      if trip:get_route():get_route_type() == m[1] and trip:get_route():get_short_name() == m[2] then
+        trip:set_short_name(trip:get_route():get_short_name() .. ' ' .. remove_leading_zeros(trip:get_short_name()))
+        trip:set_display_name(trip:get_short_name())
+      end
+    end
+  end
+
+  if trip:get_route():get_route_type() == 106 and is_number(trip:get_short_name()) then
+    trip:set_display_name(trip:get_route():get_short_name() .. ' (' .. remove_leading_zeros(trip:get_short_name()) .. ')')
+  end
+end
+
+function process_agency(agency)
+  if agency:get_url() == "https://www.delfi.de" then
+    agency:set_url("")
+  end
+end
+
+function process_route(route)
+    local agency_name = route:get_agency():get_name()
+    local route_name = route:get_short_name()
+	-- remove spaces from route name for matching
+	route_name = route_name:gsub("%s+", "")
+	local original_route_color = route:get_color()
+	local original_route_text_color = route:get_text_color()
+    if (original_route_color == 0 or original_route_text_color == 0) and colors[agency_name] and colors[agency_name][route_name] then
+        local colors = colors[agency_name][route_name]
+        route:set_color(colors.color)
+        route:set_text_color(colors.text_color)
+    end
+end
diff --git a/src/generate_all_DACH_colours.py b/src/generate_all_DACH_colours.py
new file mode 100644
index 000000000..1d4d7d68c
--- /dev/null
+++ b/src/generate_all_DACH_colours.py
@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+# SPDX-FileCopyrightText: Levin Baumann <github@17d.me>
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+#
+# generate_colors.py - Generate Lua table of line colors from Traewelling line-colors CSV
+
+import sys
+
+# Import already written scripts as modules
+import generate_colors
+import generate_colors_CH
+import generate_colors_VBN
+
+# Telling Python to do these sequentially.
+def main():
+    generate_colors.main()
+    generate_colors_CH.main()
+    generate_colors_VBN.main()
+
+# Don't know what that does, but it makes it work.
+if __name__ == "__main__":
+    main()
diff --git a/src/generate_colors_CH.py b/src/generate_colors_CH.py
new file mode 100644
index 000000000..4198ed919
--- /dev/null
+++ b/src/generate_colors_CH.py
@@ -0,0 +1,170 @@
+#!/usr/bin/env python3
+# SPDX-FileCopyrightText: Levin Baumann <github@17d.me>
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+#
+# generate_colors.py - Generate Lua table of line colors from Traewelling line-colors CSV
+# adapted for VBN GTFS feed by luna-cant-code (GitHub)
+
+
+import csv
+import logging
+import os
+import re
+import sys
+import requests
+from typing import Dict, Any
+
+URL = "https://raw.githubusercontent.com/luna-cant-code/line-colors/refs/heads/feed-transition/line-colors-CH.csv"
+OUTPUT = "scripts/ch-opentransport-colors.lua"
+
+HEX_RE = re.compile(r"^[0-9A-Fa-f]{3}([0-9A-Fa-f]{3})?$")
+
+
+def fetch_csv(url: str) -> str:
+    logging.info("Fetching CSV from %s", url)
+    try:
+        resp = requests.get(url, timeout=15)
+        resp.raise_for_status()
+        return resp.text
+    except requests.RequestException:
+        logging.exception("Error while fetching CSV from %s", url)
+        raise
+
+
+def _find_key(row_keys, desired: str):
+    """Return the actual key in row_keys whose stripped form equals desired.
+
+    This makes the parser tolerant to CSVs that have leading/trailing spaces
+    in header names (e.g. ' delfiAgencyName').
+    """
+    for k in row_keys:
+        if k is not None and k.strip() == desired:
+            return k
+    return None
+
+
+def normalize_hex(s: str) -> str:
+    if s is None:
+        return ""
+    s = s.strip().lstrip('#')
+    if s == "":
+        return ""
+    if len(s) == 3 and HEX_RE.match(s):
+        # expand short form like 'f0c' -> 'ff00cc'
+        return ''.join([c * 2 for c in s]).lower()
+    if len(s) == 6 and HEX_RE.match(s):
+        return s.lower()
+    # invalid value
+    logging.warning("Invalid hex color encountered: %r", s)
+    return ""
+
+
+def parse_colors(csv_text: str) -> Dict[str, Dict[str, Dict[str, Any]]]:
+    lines = csv_text.splitlines()
+    reader = csv.DictReader(lines, skipinitialspace=False)
+
+    # Identify header keys we need (tolerate leading/trailing whitespace)
+    header = reader.fieldnames or []
+##    key_agency = _find_key(header, 'delfiAgencyName') or _find_key(header, ' delfiAgencyName') // Left for transition purposes
+    key_agency = _find_key(header, 'GTFSAgencyName') or _find_key(header, ' GTFSAgencyName')
+    key_line = _find_key(header, 'lineName')
+    key_bg = _find_key(header, 'backgroundColor')
+    key_text = _find_key(header, 'textColor')
+    key_border = _find_key(header, 'borderColor')
+
+    if not (key_agency and key_line and key_bg and key_text):
+        logging.error("CSV is missing expected headers. Found: %r", header)
+        raise ValueError("CSV missing required headers")
+
+    colors: Dict[str, Dict[str, Dict[str, Any]]] = {}
+
+    for row in reader:
+        agency = (row.get(key_agency) or "").strip()
+        line_name = (row.get(key_line) or "").strip()
+        line_name = line_name.replace(" ", "")
+        background = normalize_hex(row.get(key_bg) or "")
+        text = normalize_hex(row.get(key_text) or "")
+        border = normalize_hex(row.get(key_border) or "")
+
+        # Skip rows without a line name or delfi agency
+        if line_name == "" or agency == "":
+            continue
+
+        # If background is white or missing, use border color if available,
+        # since motis only supports background and text colors
+        if border and (background == "" or background.lower() == "ffffff"):
+            background = border
+            text = "ffffff"
+
+        # If any color is still missing, skip this entry
+        if background == "" or text == "":
+            logging.warning("Skipping entry for agency %r, line %r due to missing colors", agency, line_name)
+            continue
+
+        colors.setdefault(agency, {})[line_name] = {
+            'color': background,
+            'textColor': text
+        }
+
+    return colors
+
+
+def _escape_lua_string(s: str) -> str:
+    return s.replace('\\', '\\\\').replace('"', '\\"')
+
+
+def write_lua_table(colors: Dict[str, Dict[str, Dict[str, Any]]], out_path: str) -> None:
+    logging.info("Writing Lua table to %s", out_path)
+    dirpath = os.path.dirname(out_path)
+    if dirpath and not os.path.exists(dirpath):
+        os.makedirs(dirpath)
+
+    with open(out_path, 'w', encoding='utf-8') as f:
+        f.write('-- autogenerated by generate_colors.py\n')
+        f.write('-- SPDX-FileCopyrightText: contributors of https://github.com/Traewelling/line-colors\n')
+        f.write('-- SPDX-License-Identifier: CC0-1.0\n\n')
+        f.write('local colors = {\n')
+
+        # Sort agencies for deterministic output
+        for agency in sorted(colors.keys()):
+            safe_agency = _escape_lua_string(agency)
+            f.write(f'    ["{safe_agency}"] = {{\n')
+            for line_name in sorted(colors[agency].keys()):
+                safe_line = _escape_lua_string(line_name)
+                info = colors[agency][line_name]
+                # convert hex string to 0x... numeric literal
+                bg = info.get('color', '000000')
+                text = info.get('textColor', '000000')
+                # ensure 6-digit hex
+                if len(bg) == 3:
+                    bg = ''.join([c * 2 for c in bg])
+                if len(text) == 3:
+                    text = ''.join([c * 2 for c in text])
+
+                f.write(f'        ["{safe_line}"] = {{ color = 0x{bg}, text_color = 0x{text} }},\n')
+            f.write('    },\n')
+
+        f.write('}\n')
+        f.write('return colors\n')
+
+    logging.info("Wrote %d agencies to %s", len(colors), out_path)
+
+
+def main():
+    logging.basicConfig(level=logging.WARNING,
+                        format='%(levelname)s: %(message)s')
+
+    try:
+        csv_text = fetch_csv(URL)
+        colors = parse_colors(csv_text)
+        write_lua_table(colors, OUTPUT)
+    except Exception as e:
+        logging.exception("Failed to generate colors: %s", e)
+        return 2
+
+    return 0
+
+
+if __name__ == '__main__':
+    sys.exit(main())
diff --git a/src/generate_colors_VBN.py b/src/generate_colors_VBN.py
new file mode 100644
index 000000000..83e6dee81
--- /dev/null
+++ b/src/generate_colors_VBN.py
@@ -0,0 +1,171 @@
+#!/usr/bin/env python3
+# SPDX-FileCopyrightText: Levin Baumann <github@17d.me>
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+#
+# generate_colors.py - Generate Lua table of line colors from Traewelling line-colors CSV
+# adapted for VBN GTFS feed by luna-cant-code (GitHub)
+
+
+import csv
+import logging
+import os
+import re
+import sys
+import requests
+from typing import Dict, Any
+
+URL = "https://raw.githubusercontent.com/Traewelling/line-colors/refs/heads/main/line-colors-VBN.csv"
+OUTPUT = "scripts/de-VBN-colors.lua"
+
+HEX_RE = re.compile(r"^[0-9A-Fa-f]{3}([0-9A-Fa-f]{3})?$")
+
+# EVERYTHING UNDER THIS COMMENT IS JUST STRAIGHT UP COPIED FROM THE REGULAR generate_colors.py FILE (don't know if this works tbh)
+
+def fetch_csv(url: str) -> str:
+    logging.info("Fetching CSV from %s", url)
+    try:
+        resp = requests.get(url, timeout=15)
+        resp.raise_for_status()
+        return resp.text
+    except requests.RequestException:
+        logging.exception("Error while fetching CSV from %s", url)
+        raise
+
+
+def _find_key(row_keys, desired: str):
+    """Return the actual key in row_keys whose stripped form equals desired.
+
+    This makes the parser tolerant to CSVs that have leading/trailing spaces
+    in header names (e.g. ' delfiAgencyName').
+    """
+    for k in row_keys:
+        if k is not None and k.strip() == desired:
+            return k
+    return None
+
+
+def normalize_hex(s: str) -> str:
+    if s is None:
+        return ""
+    s = s.strip().lstrip('#')
+    if s == "":
+        return ""
+    if len(s) == 3 and HEX_RE.match(s):
+        # expand short form like 'f0c' -> 'ff00cc'
+        return ''.join([c * 2 for c in s]).lower()
+    if len(s) == 6 and HEX_RE.match(s):
+        return s.lower()
+    # invalid value
+    logging.warning("Invalid hex color encountered: %r", s)
+    return ""
+
+
+def parse_colors(csv_text: str) -> Dict[str, Dict[str, Dict[str, Any]]]:
+    lines = csv_text.splitlines()
+    reader = csv.DictReader(lines, skipinitialspace=False)
+
+    # Identify header keys we need (tolerate leading/trailing whitespace)
+    header = reader.fieldnames or []
+##    key_agency = _find_key(header, 'delfiAgencyName') or _find_key(header, ' delfiAgencyName') // left for transition purposes
+    key_agency = _find_key(header, 'GTFSAgencyName') or _find_key(header, ' GTFSAgencyName')
+    key_line = _find_key(header, 'lineName')
+    key_bg = _find_key(header, 'backgroundColor')
+    key_text = _find_key(header, 'textColor')
+    key_border = _find_key(header, 'borderColor')
+
+    if not (key_agency and key_line and key_bg and key_text):
+        logging.error("CSV is missing expected headers. Found: %r", header)
+        raise ValueError("CSV missing required headers")
+
+    colors: Dict[str, Dict[str, Dict[str, Any]]] = {}
+
+    for row in reader:
+        agency = (row.get(key_agency) or "").strip()
+        line_name = (row.get(key_line) or "").strip()
+        line_name = line_name.replace(" ", "")
+        background = normalize_hex(row.get(key_bg) or "")
+        text = normalize_hex(row.get(key_text) or "")
+        border = normalize_hex(row.get(key_border) or "")
+
+        # Skip rows without a line name or delfi agency
+        if line_name == "" or agency == "":
+            continue
+
+        # If background is white or missing, use border color if available,
+        # since motis only supports background and text colors
+        if border and (background == "" or background.lower() == "ffffff"):
+            background = border
+            text = "ffffff"
+
+        # If any color is still missing, skip this entry
+        if background == "" or text == "":
+            logging.warning("Skipping entry for agency %r, line %r due to missing colors", agency, line_name)
+            continue
+
+        colors.setdefault(agency, {})[line_name] = {
+            'color': background,
+            'textColor': text
+        }
+
+    return colors
+
+
+def _escape_lua_string(s: str) -> str:
+    return s.replace('\\', '\\\\').replace('"', '\\"')
+
+
+def write_lua_table(colors: Dict[str, Dict[str, Dict[str, Any]]], out_path: str) -> None:
+    logging.info("Writing Lua table to %s", out_path)
+    dirpath = os.path.dirname(out_path)
+    if dirpath and not os.path.exists(dirpath):
+        os.makedirs(dirpath)
+
+    with open(out_path, 'w', encoding='utf-8') as f:
+        f.write('-- autogenerated by generate_colors.py\n')
+        f.write('-- SPDX-FileCopyrightText: contributors of https://github.com/Traewelling/line-colors\n')
+        f.write('-- SPDX-License-Identifier: CC0-1.0\n\n')
+        f.write('local colors = {\n')
+
+        # Sort agencies for deterministic output
+        for agency in sorted(colors.keys()):
+            safe_agency = _escape_lua_string(agency)
+            f.write(f'    ["{safe_agency}"] = {{\n')
+            for line_name in sorted(colors[agency].keys()):
+                safe_line = _escape_lua_string(line_name)
+                info = colors[agency][line_name]
+                # convert hex string to 0x... numeric literal
+                bg = info.get('color', '000000')
+                text = info.get('textColor', '000000')
+                # ensure 6-digit hex
+                if len(bg) == 3:
+                    bg = ''.join([c * 2 for c in bg])
+                if len(text) == 3:
+                    text = ''.join([c * 2 for c in text])
+
+                f.write(f'        ["{safe_line}"] = {{ color = 0x{bg}, text_color = 0x{text} }},\n')
+            f.write('    },\n')
+
+        f.write('}\n')
+        f.write('return colors\n')
+
+    logging.info("Wrote %d agencies to %s", len(colors), out_path)
+
+
+def main():
+    logging.basicConfig(level=logging.WARNING,
+                        format='%(levelname)s: %(message)s')
+
+    try:
+        csv_text = fetch_csv(URL)
+        colors = parse_colors(csv_text)
+        write_lua_table(colors, OUTPUT)
+    except Exception as e:
+        logging.exception("Failed to generate colors: %s", e)
+        return 2
+
+    return 0
+
+
+if __name__ == '__main__':
+    sys.exit(main())