diff --git a/pkgs/development/python-modules/uxsim/add-qt-plugin-path-to-env.patch b/pkgs/development/python-modules/uxsim/add-qt-plugin-path-to-env.patch
new file mode 100644
index 000000000000..42f001085d05
--- /dev/null
+++ b/pkgs/development/python-modules/uxsim/add-qt-plugin-path-to-env.patch
@@ -0,0 +1,24 @@
+diff --git a/uxsim/__init__.py b/uxsim/__init__.py
+index 01e1ad1..de1f0fd 100644
+--- a/uxsim/__init__.py
++++ b/uxsim/__init__.py
+@@ -1,8 +1,14 @@
+-from .uxsim import *
+-from .utils import *
++import os
++
+ from .analyzer import *
++from .utils import *
++from .uxsim import *
++
++# Only set our own plugin path if it's not already set
++if not os.getenv("QT_PLUGIN_PATH"): 
++    os.environ["QT_PLUGIN_PATH"] = "$NIX_QT_PLUGIN_PATH"
+ 
+ __version__ = "1.1.1"
+ __author__ = "Toru Seo"
+ __copyright__ = "Copyright (c) 2023 Toru Seo"
+-__license__ = "MIT License"
+\ No newline at end of file
++__license__ = "MIT License"
+
diff --git a/pkgs/development/python-modules/uxsim/default.nix b/pkgs/development/python-modules/uxsim/default.nix
new file mode 100644
index 000000000000..e08eec1d6cf6
--- /dev/null
+++ b/pkgs/development/python-modules/uxsim/default.nix
@@ -0,0 +1,69 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  setuptools,
+  wheel,
+  qt5,
+  hackgen-font,
+  python3,
+  matplotlib,
+  numpy,
+  pandas,
+  pillow,
+  pyqt5,
+  scipy,
+  tqdm,
+}:
+buildPythonPackage rec {
+  pname = "uxsim";
+  version = "1.1.1";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "toruseo";
+    repo = "UXsim";
+    rev = "v${version}";
+    hash = "sha256-qPAFodvx+Z7RsRhzdTq1TRsbvrUFaqRJZxYg3FM6q8A=";
+  };
+
+  patches = [
+    ./add-qt-plugin-path-to-env.patch
+  ];
+
+  nativeBuildInputs = [
+    setuptools
+    wheel
+  ];
+
+  propagatedBuildInputs = [
+    matplotlib
+    numpy
+    pandas
+    pillow
+    pyqt5
+    scipy
+    tqdm
+  ];
+
+  pythonImportsCheck = ["uxsim"];
+
+
+  # QT_PLUGIN_PATH is required to be set for the program to produce its images
+  # our patch sets it to $NIX_QT_PLUGIN_PATH if QT_PLUGIN_PATH is not set
+  # and here we replace this string with the actual path to qt plugins
+  postInstall = ''
+    substituteInPlace $out/${python3.sitePackages}/uxsim/__init__.py \
+      --replace-fail '$NIX_QT_PLUGIN_PATH' '${qt5.qtbase.bin}/${qt5.qtbase.qtPluginPrefix}'
+
+    mkdir -p $out/${python3.sitePackages}/uxsim/files
+    ln -s ${hackgen-font}/share/fonts/hackgen/HackGen-Regular.ttf $out/${python3.sitePackages}/uxsim/files/
+  '';
+
+  meta = with lib; {
+    description = "Vehicular traffic flow simulator in road network, written in pure Python";
+    homepage = "https://github.com/toruseo/UXsim";
+    license = licenses.mit;
+    maintainers = with maintainers; [vinnymeller];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 606734fba3b2..63f1f75ab3df 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -16586,6 +16586,8 @@ self: super: with self; {
     inherit (pkgs.darwin.apple_sdk.frameworks) ApplicationServices CoreServices;
   };
 
+  uxsim = callPackage ../development/python-modules/uxsim { };
+
   vaa = callPackage ../development/python-modules/vaa { };
 
   vacuum-map-parser-base = callPackage ../development/python-modules/vacuum-map-parser-base { };