diff --git a/pkgs/development/python-modules/gtfs-station-stop/default.nix b/pkgs/development/python-modules/gtfs-station-stop/default.nix
new file mode 100644
index 000000000000..cd0f2c074a8c
--- /dev/null
+++ b/pkgs/development/python-modules/gtfs-station-stop/default.nix
@@ -0,0 +1,67 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  hatchling,
+  aiofiles,
+  aiohttp,
+  gtfs-realtime-bindings,
+  requests,
+  freezegun,
+  pytest-asyncio,
+  pytest-cov-stub,
+  pytest-httpserver,
+  pytestCheckHook,
+  python-dotenv,
+  syrupy,
+}:
+
+buildPythonPackage (finalAttrs: {
+  pname = "gtfs-station-stop";
+  version = "0.11.7";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "bcpearce";
+    repo = "gtfs-station-stop";
+    tag = finalAttrs.version;
+    hash = "sha256-Z9pOdLXcNGK1ng7qhzg2J7CvSoDIOczN4P5Es5F2cLs=";
+  };
+
+  build-system = [ hatchling ];
+
+  dependencies = [
+    aiofiles
+    aiohttp
+    gtfs-realtime-bindings
+    requests
+  ];
+
+  # both are added to deps but not used
+  pythonRemoveDeps = [
+    "asyncio-atexit"
+    "coverage-badge"
+  ];
+
+  __darwinAllowLocalNetworking = true;
+
+  nativeCheckInputs = [
+    freezegun
+    pytest-asyncio
+    pytest-cov-stub
+    pytest-httpserver
+    pytestCheckHook
+    python-dotenv
+    syrupy
+  ];
+
+  pythonImportsCheck = [ "gtfs_station_stop" ];
+
+  meta = {
+    description = "Python library for Reformatting GTFS data for Station Arrivals";
+    homepage = "https://github.com/bcpearce/gtfs-station-stop";
+    changelog = "https://github.com/bcpearce/gtfs-station-stop/releases/tag/${finalAttrs.src.tag}";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.stepbrobd ];
+  };
+})
diff --git a/pkgs/servers/home-assistant/custom-components/gtfs-realtime/package.nix b/pkgs/servers/home-assistant/custom-components/gtfs-realtime/package.nix
new file mode 100644
index 000000000000..a40b1d009632
--- /dev/null
+++ b/pkgs/servers/home-assistant/custom-components/gtfs-realtime/package.nix
@@ -0,0 +1,47 @@
+{
+  lib,
+  buildHomeAssistantComponent,
+  fetchFromGitHub,
+  gtfs-station-stop,
+  pytest-cov-stub,
+  pytest-freezer,
+  pytest-homeassistant-custom-component,
+  pytestCheckHook,
+}:
+
+buildHomeAssistantComponent rec {
+  owner = "bcpearce";
+  domain = "gtfs_realtime";
+  version = "0.3.2";
+
+  src = fetchFromGitHub {
+    owner = "bcpearce";
+    repo = "homeassistant-gtfs-realtime";
+    tag = version;
+    hash = "sha256-G3OtDoF+td7IC+zVXJ+c/chdtYMoq6cStZ3dV8eyUZI=";
+  };
+
+  dependencies = [ gtfs-station-stop ];
+
+  nativeCheckInputs = [
+    pytest-cov-stub
+    pytest-freezer
+    pytest-homeassistant-custom-component
+    pytestCheckHook
+  ];
+
+  disabledTests = [
+    # upstream snapshot is stale
+    "test_diagnostics"
+  ];
+
+  ignoreVersionRequirement = [ "gtfs_station_stop" ];
+
+  meta = {
+    changelog = "https://github.com/bcpearce/homeassistant-gtfs-realtime/releases/tag/${src.tag}";
+    description = "GTFS Realtime transit arrivals for Home Assistant";
+    homepage = "https://github.com/bcpearce/homeassistant-gtfs-realtime";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.stepbrobd ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 01d9a6cbedd2..d448db0fbed0 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6757,6 +6757,8 @@ self: super: with self; {
 
   gtfs-realtime-bindings = callPackage ../development/python-modules/gtfs-realtime-bindings { };
 
+  gtfs-station-stop = callPackage ../development/python-modules/gtfs-station-stop { };
+
   gto = callPackage ../development/python-modules/gto { };
 
   gtts = callPackage ../development/python-modules/gtts { };