diff --git a/src/EventListener/AdminRouterSubscriber.php b/src/EventListener/AdminRouterSubscriber.php
index 8e810e885e..a534f937f9 100644
--- a/src/EventListener/AdminRouterSubscriber.php
+++ b/src/EventListener/AdminRouterSubscriber.php
@@ -7,6 +7,8 @@
 use EasyCorp\Bundle\EasyAdminBundle\Contracts\Controller\DashboardControllerInterface;
 use EasyCorp\Bundle\EasyAdminBundle\Factory\AdminContextFactory;
 use EasyCorp\Bundle\EasyAdminBundle\Factory\ControllerFactory;
+use EasyCorp\Bundle\EasyAdminBundle\Router\AdminRouteGenerator;
+use Psr\Cache\CacheItemPoolInterface;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpKernel\Controller\ControllerResolverInterface;
@@ -14,7 +16,6 @@
 use Symfony\Component\HttpKernel\Event\RequestEvent;
 use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 use Symfony\Component\Routing\Matcher\RequestMatcherInterface;
-use Symfony\Component\Routing\RouterInterface;
 
 /**
  * This subscriber acts as a "proxy" of all backend requests. First, if the
@@ -36,16 +37,16 @@ class AdminRouterSubscriber implements EventSubscriberInterface
     private ControllerResolverInterface $controllerResolver;
     private UrlGeneratorInterface $urlGenerator;
     private RequestMatcherInterface $requestMatcher;
-    private RouterInterface $router;
+    private CacheItemPoolInterface $cache;
 
-    public function __construct(AdminContextFactory $adminContextFactory, ControllerFactory $controllerFactory, ControllerResolverInterface $controllerResolver, UrlGeneratorInterface $urlGenerator, RequestMatcherInterface $requestMatcher, RouterInterface $router)
+    public function __construct(AdminContextFactory $adminContextFactory, ControllerFactory $controllerFactory, ControllerResolverInterface $controllerResolver, UrlGeneratorInterface $urlGenerator, RequestMatcherInterface $requestMatcher, CacheItemPoolInterface $cache)
     {
         $this->adminContextFactory = $adminContextFactory;
         $this->controllerFactory = $controllerFactory;
         $this->controllerResolver = $controllerResolver;
         $this->urlGenerator = $urlGenerator;
         $this->requestMatcher = $requestMatcher;
-        $this->router = $router;
+        $this->cache = $cache;
     }
 
     public static function getSubscribedEvents(): array
@@ -68,16 +69,14 @@ public function onKernelRequestPrettyUrls(RequestEvent $event): void
             return;
         }
 
-        $routes = $this->router->getRouteCollection();
-        $route = $routes->get($routeName);
-
-        if (null === $route || true !== $route->getOption(EA::ROUTE_CREATED_BY_EASYADMIN)) {
+        $adminRoutes = $this->cache->getItem(AdminRouteGenerator::CACHE_KEY_ROUTE_TO_FQCN)->get();
+        if (null === $adminRoutes || !\array_key_exists($routeName, $adminRoutes)) {
             return;
         }
 
         $request->attributes->set(EA::ROUTE_CREATED_BY_EASYADMIN, true);
 
-        $dashboardControllerFqcn = $route->getOption(EA::DASHBOARD_CONTROLLER_FQCN);
+        $dashboardControllerFqcn = $adminRoutes[$routeName][EA::DASHBOARD_CONTROLLER_FQCN];
         if (null === $dashboardControllerInstance = $this->getDashboardControllerInstance($dashboardControllerFqcn, $request)) {
             return;
         }
@@ -85,8 +84,8 @@ public function onKernelRequestPrettyUrls(RequestEvent $event): void
         // creating the context is expensive, so it's created once and stored in the request
         // if the current request already has an AdminContext object, do nothing
         if (null === $adminContext = $request->attributes->get(EA::CONTEXT_REQUEST_ATTRIBUTE)) {
-            $crudControllerFqcn = $route->getOption(EA::CRUD_CONTROLLER_FQCN);
-            $actionName = $route->getOption(EA::CRUD_ACTION);
+            $crudControllerFqcn = $adminRoutes[$routeName][EA::CRUD_CONTROLLER_FQCN];
+            $actionName = $adminRoutes[$routeName][EA::CRUD_ACTION];
 
             $request->attributes->set(EA::DASHBOARD_CONTROLLER_FQCN, $dashboardControllerFqcn);
             $request->attributes->set(EA::CRUD_CONTROLLER_FQCN, $crudControllerFqcn);
diff --git a/src/Resources/config/services.php b/src/Resources/config/services.php
index 4a443de5bd..562bddbcef 100644
--- a/src/Resources/config/services.php
+++ b/src/Resources/config/services.php
@@ -168,7 +168,7 @@
             ->arg(2, service('controller_resolver'))
             ->arg(3, service('router'))
             ->arg(4, service('router'))
-            ->arg(5, service('router'))
+            ->arg(5, service('cache.easyadmin'))
             ->tag('kernel.event_subscriber')
 
         ->set(ControllerFactory::class)
diff --git a/src/Router/AdminRouteGenerator.php b/src/Router/AdminRouteGenerator.php
index be9cd1227f..49623cbfaa 100644
--- a/src/Router/AdminRouteGenerator.php
+++ b/src/Router/AdminRouteGenerator.php
@@ -23,7 +23,9 @@
  */
 final class AdminRouteGenerator implements AdminRouteGeneratorInterface
 {
-    public const ADMIN_ROUTES_CACHE_KEY = 'easyadmin.generated_routes';
+    public const CACHE_KEY_ROUTE_TO_FQCN = 'easyadmin.routes.route_to_fqcn';
+    public const CACHE_KEY_FQCN_TO_ROUTE = 'easyadmin.routes.fqcn_to_route';
+
     private const DEFAULT_ROUTES_CONFIG = [
         'index' => [
             'routePath' => '/',
@@ -78,16 +80,9 @@ public function generateAll(): RouteCollection
             $collection->add($routeName, $route);
         }
 
-        // save the generated routes in the cache; this will allow to detect
-        // if pretty URLs are being used in the application and also improves
-        // performance when finding a route name using the {dashboard, CRUD controller, action} tuple
-        $adminRoutesCache = [];
-        foreach ($adminRoutes as $routeName => $route) {
-            $adminRoutesCache[$route->getOption(EA::DASHBOARD_CONTROLLER_FQCN)][$route->getOption(EA::CRUD_CONTROLLER_FQCN)][$route->getOption(EA::CRUD_ACTION)] = $routeName;
-        }
-        $cachedAdminRoutes = $this->cache->getItem(self::ADMIN_ROUTES_CACHE_KEY);
-        $cachedAdminRoutes->set($adminRoutesCache);
-        $this->cache->save($cachedAdminRoutes);
+        // this dumps all admin routes in a performance-optimized format to later
+        // find them quickly without having to use Symfony's router service
+        $this->saveAdminRoutesInCache($adminRoutes);
 
         return $collection;
     }
@@ -96,14 +91,14 @@ public function generateAll(): RouteCollection
     // TODO: remove this method in EasyAdmin 5.x
     public function usesPrettyUrls(): bool
     {
-        $cachedAdminRoutes = $this->cache->getItem(self::ADMIN_ROUTES_CACHE_KEY)->get();
+        $cachedAdminRoutes = $this->cache->getItem(self::CACHE_KEY_FQCN_TO_ROUTE)->get();
 
         return null !== $cachedAdminRoutes && [] !== $cachedAdminRoutes;
     }
 
     public function findRouteName(string $dashboardFqcn, string $crudControllerFqcn, string $actionName): ?string
     {
-        $adminRoutes = $this->cache->getItem(self::ADMIN_ROUTES_CACHE_KEY)->get();
+        $adminRoutes = $this->cache->getItem(self::CACHE_KEY_FQCN_TO_ROUTE)->get();
 
         return $adminRoutes[$dashboardFqcn][$crudControllerFqcn][$actionName] ?? null;
     }
@@ -366,4 +361,34 @@ private function transformCrudControllerNameToSnakeCase(string $crudControllerFq
 
         return $shortName;
     }
+
+    /**
+     * @param Route[] $adminRoutes
+     */
+    private function saveAdminRoutesInCache(array $adminRoutes): void
+    {
+        // to speedup the look up of routes in different parts of the bundle,
+        // we cache the admin routes in two different maps:
+        // 1) $cache[route_name] => [dashboard, CRUD controller, action]
+        // 2) $cache[dashboard][CRUD controller][action] => route_name
+        $routeNameToFqcn = [];
+        $fqcnToRouteName = [];
+        foreach ($adminRoutes as $routeName => $route) {
+            $routeNameToFqcn[$routeName] = [
+                EA::DASHBOARD_CONTROLLER_FQCN => $route->getOption(EA::DASHBOARD_CONTROLLER_FQCN),
+                EA::CRUD_CONTROLLER_FQCN => $route->getOption(EA::CRUD_CONTROLLER_FQCN),
+                EA::CRUD_ACTION => $route->getOption(EA::CRUD_ACTION),
+            ];
+
+            $fqcnToRouteName[$route->getOption(EA::DASHBOARD_CONTROLLER_FQCN)][$route->getOption(EA::CRUD_CONTROLLER_FQCN)][$route->getOption(EA::CRUD_ACTION)] = $routeName;
+        }
+
+        $routeNameToFqcnItem = $this->cache->getItem(self::CACHE_KEY_ROUTE_TO_FQCN);
+        $routeNameToFqcnItem->set($routeNameToFqcn);
+        $this->cache->save($routeNameToFqcnItem);
+
+        $fqcnToRouteNameItem = $this->cache->getItem(self::CACHE_KEY_FQCN_TO_ROUTE);
+        $fqcnToRouteNameItem->set($fqcnToRouteName);
+        $this->cache->save($fqcnToRouteNameItem);
+    }
 }