diff --git a/.changeset/error-response-type.md b/.changeset/error-response-type.md
new file mode 100644
index 00000000000..e605d9c9859
--- /dev/null
+++ b/.changeset/error-response-type.md
@@ -0,0 +1,9 @@
+---
+"@remix-run/cloudflare": patch
+"@remix-run/deno": patch
+"@remix-run/node": patch
+"@remix-run/react": patch
+"@remix-run/server-runtime": patch
+---
+
+Export proper `ErrorResponse` type for usage alongside `isRouteErrorResponse`
diff --git a/packages/remix-cloudflare/index.ts b/packages/remix-cloudflare/index.ts
index 3b7e0b9992c..33f0769bd35 100644
--- a/packages/remix-cloudflare/index.ts
+++ b/packages/remix-cloudflare/index.ts
@@ -38,6 +38,7 @@ export type {
   CookieSignatureOptions,
   DataFunctionArgs,
   EntryContext,
+  ErrorResponse,
   HandleDataRequestFunction,
   HandleDocumentRequestFunction,
   HeadersArgs,
diff --git a/packages/remix-deno/index.ts b/packages/remix-deno/index.ts
index bd4b73be0d6..cf121bfb5e0 100644
--- a/packages/remix-deno/index.ts
+++ b/packages/remix-deno/index.ts
@@ -41,6 +41,7 @@ export type {
   CookieSignatureOptions,
   DataFunctionArgs,
   EntryContext,
+  ErrorResponse,
   HandleDataRequestFunction,
   HandleDocumentRequestFunction,
   HandleErrorFunction,
diff --git a/packages/remix-node/index.ts b/packages/remix-node/index.ts
index 7003c1aa54e..c74d8ed25cf 100644
--- a/packages/remix-node/index.ts
+++ b/packages/remix-node/index.ts
@@ -58,6 +58,7 @@ export type {
   CookieSignatureOptions,
   DataFunctionArgs,
   EntryContext,
+  ErrorResponse,
   HandleDataRequestFunction,
   HandleDocumentRequestFunction,
   HeadersArgs,
diff --git a/packages/remix-react/errors.ts b/packages/remix-react/errors.ts
index c2d95c6496a..dd98cbc16e1 100644
--- a/packages/remix-react/errors.ts
+++ b/packages/remix-react/errors.ts
@@ -1,5 +1,5 @@
 import type { Router as RemixRouter } from "@remix-run/router";
-import { ErrorResponse } from "@remix-run/router";
+import { UNSAFE_ErrorResponseImpl as ErrorResponseImpl } from "@remix-run/router";
 
 export function deserializeErrors(
   errors: RemixRouter["state"]["errors"]
@@ -11,7 +11,7 @@ export function deserializeErrors(
     // Hey you!  If you change this, please change the corresponding logic in
     // serializeErrors in remix-server-runtime/errors.ts :)
     if (val && val.__type === "RouteErrorResponse") {
-      serialized[key] = new ErrorResponse(
+      serialized[key] = new ErrorResponseImpl(
         val.status,
         val.statusText,
         val.data,
diff --git a/packages/remix-react/index.tsx b/packages/remix-react/index.tsx
index c995f615e40..e07c7818693 100644
--- a/packages/remix-react/index.tsx
+++ b/packages/remix-react/index.tsx
@@ -1,6 +1,7 @@
 export type { RemixBrowserProps } from "./browser";
 export { RemixBrowser } from "./browser";
 export type {
+  ErrorResponse,
   Fetcher,
   FetcherWithComponents,
   FormEncType,
diff --git a/packages/remix-react/package.json b/packages/remix-react/package.json
index 445e094e045..0eb8c7a4876 100644
--- a/packages/remix-react/package.json
+++ b/packages/remix-react/package.json
@@ -16,9 +16,9 @@
   "typings": "dist/index.d.ts",
   "module": "dist/esm/index.js",
   "dependencies": {
-    "@remix-run/router": "0.0.0-experimental-4286521e",
+    "@remix-run/router": "0.0.0-experimental-7b1bbb00",
     "@remix-run/server-runtime": "1.19.3",
-    "react-router-dom": "0.0.0-experimental-4286521e"
+    "react-router-dom": "0.0.0-experimental-7b1bbb00"
   },
   "devDependencies": {
     "@testing-library/jest-dom": "^5.17.0",
diff --git a/packages/remix-server-runtime/__tests__/handle-error-test.ts b/packages/remix-server-runtime/__tests__/handle-error-test.ts
index dcc88f0fd64..439823b5bdb 100644
--- a/packages/remix-server-runtime/__tests__/handle-error-test.ts
+++ b/packages/remix-server-runtime/__tests__/handle-error-test.ts
@@ -1,4 +1,4 @@
-import { ErrorResponse } from "@remix-run/router";
+import { UNSAFE_ErrorResponseImpl as ErrorResponseImpl } from "@remix-run/router";
 
 import type { ServerBuild } from "../build";
 import { createRequestHandler } from "../server";
@@ -56,7 +56,7 @@ describe("handleError", () => {
       let request = new Request("http://example.com/", { method: "post" });
       await handler(request);
       expect(handleErrorSpy).toHaveBeenCalledWith(
-        new ErrorResponse(
+        new ErrorResponseImpl(
           405,
           "Method Not Allowed",
           new Error(
@@ -126,7 +126,7 @@ describe("handleError", () => {
       });
       await handler(request);
       expect(handleErrorSpy).toHaveBeenCalledWith(
-        new ErrorResponse(
+        new ErrorResponseImpl(
           405,
           "Method Not Allowed",
           new Error(
@@ -182,7 +182,7 @@ describe("handleError", () => {
       });
       await handler(request);
       expect(handleErrorSpy).toHaveBeenCalledWith(
-        new ErrorResponse(
+        new ErrorResponseImpl(
           405,
           "Method Not Allowed",
           new Error(
diff --git a/packages/remix-server-runtime/index.ts b/packages/remix-server-runtime/index.ts
index 038b6518e94..78cdc15aa5d 100644
--- a/packages/remix-server-runtime/index.ts
+++ b/packages/remix-server-runtime/index.ts
@@ -44,6 +44,7 @@ export type {
   CookieSignatureOptions,
   DataFunctionArgs,
   EntryContext,
+  ErrorResponse,
   FlashSessionData,
   HandleDataRequestFunction,
   HandleDocumentRequestFunction,
diff --git a/packages/remix-server-runtime/package.json b/packages/remix-server-runtime/package.json
index 90703972579..861045b0e95 100644
--- a/packages/remix-server-runtime/package.json
+++ b/packages/remix-server-runtime/package.json
@@ -16,7 +16,7 @@
   "typings": "dist/index.d.ts",
   "module": "dist/esm/index.js",
   "dependencies": {
-    "@remix-run/router": "0.0.0-experimental-4286521e",
+    "@remix-run/router": "0.0.0-experimental-7b1bbb00",
     "@types/cookie": "^0.4.1",
     "@web3-storage/multipart-parser": "^1.0.0",
     "cookie": "^0.4.1",
diff --git a/packages/remix-server-runtime/reexport.ts b/packages/remix-server-runtime/reexport.ts
index db3d948e8b1..3b366baac9c 100644
--- a/packages/remix-server-runtime/reexport.ts
+++ b/packages/remix-server-runtime/reexport.ts
@@ -1,3 +1,5 @@
+export type { ErrorResponse } from "@remix-run/router";
+
 export type {
   HandleDataRequestFunction,
   HandleDocumentRequestFunction,
diff --git a/packages/remix-server-runtime/server.ts b/packages/remix-server-runtime/server.ts
index 227f5bd0627..de63313644f 100644
--- a/packages/remix-server-runtime/server.ts
+++ b/packages/remix-server-runtime/server.ts
@@ -51,7 +51,10 @@ export const createRequestHandler: CreateRequestHandlerFunction = (
     build.entry.module.handleError ||
     ((error, { request }) => {
       if (serverMode !== ServerMode.Test && !request.signal.aborted) {
-        console.error(isRouteErrorResponse(error) ? error.error : error);
+        console.error(
+          // @ts-expect-error This is "private" from users but intended for internal use
+          isRouteErrorResponse(error) && error.error ? error.error : error
+        );
       }
     });
 
@@ -225,6 +228,7 @@ async function handleDocumentRequestRR(
   // Sanitize errors outside of development environments
   if (context.errors) {
     Object.values(context.errors).forEach((err) => {
+      // @ts-expect-error This is "private" from users but intended for internal use
       if (!isRouteErrorResponse(err) || err.error) {
         handleError(err);
       }
@@ -353,6 +357,7 @@ function errorResponseToJson(
 ): Response {
   return routerJson(
     serializeError(
+      // @ts-expect-error This is "private" from users but intended for internal use
       errorResponse.error || new Error("Unexpected Server Error"),
       serverMode
     ),
diff --git a/packages/remix-testing/package.json b/packages/remix-testing/package.json
index 557a0561be1..14756c44afa 100644
--- a/packages/remix-testing/package.json
+++ b/packages/remix-testing/package.json
@@ -18,8 +18,8 @@
   "dependencies": {
     "@remix-run/node": "1.19.3",
     "@remix-run/react": "1.19.3",
-    "@remix-run/router": "0.0.0-experimental-4286521e",
-    "react-router-dom": "0.0.0-experimental-4286521e"
+    "@remix-run/router": "0.0.0-experimental-7b1bbb00",
+    "react-router-dom": "0.0.0-experimental-7b1bbb00"
   },
   "devDependencies": {
     "@types/node": "^18.17.1",
diff --git a/yarn.lock b/yarn.lock
index 30e78f2d70c..c16e5a775a3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2125,10 +2125,10 @@
     "@changesets/types" "^5.0.0"
     dotenv "^8.1.0"
 
-"@remix-run/router@0.0.0-experimental-4286521e":
-  version "0.0.0-experimental-4286521e"
-  resolved "https://registry.npmjs.org/@remix-run/router/-/router-0.0.0-experimental-4286521e.tgz#3db770e0b9dc726251add1728c2e647095e476e0"
-  integrity sha512-tVqZUnmYwcfTMgo9sF4Ny8MdAWzLMeq5NY3Xsw36jmy9i3PQwM+hXlqE8Ilg43WeJQyP3Co5gdegKHdd7aC/zQ==
+"@remix-run/router@0.0.0-experimental-7b1bbb00":
+  version "0.0.0-experimental-7b1bbb00"
+  resolved "https://registry.npmjs.org/@remix-run/router/-/router-0.0.0-experimental-7b1bbb00.tgz#53e8f0f94d4ae59cc5c96472582b9eed4277fc0c"
+  integrity sha512-ftRs73TmSs1muFgzrFqglifvRQKL4IXPp+FWpB+Vro9nPrYJrvT9U0zxqPpNOa11LT6zYH2+2YVsWsjfHnbErw==
 
 "@remix-run/web-blob@^3.0.5":
   version "3.0.5"
@@ -10121,20 +10121,20 @@ react-refresh@^0.14.0:
   resolved "https://registry.npmjs.org/react-refresh/-/react-refresh-0.14.0.tgz"
   integrity sha512-wViHqhAd8OHeLS/IRMJjTSDHF3U9eWi62F/MledQGPdJGDhodXJ9PBLNGr6WWL7qlH12Mt3TyTpbS+hGXMjCzQ==
 
-react-router-dom@0.0.0-experimental-4286521e:
-  version "0.0.0-experimental-4286521e"
-  resolved "https://registry.npmjs.org/react-router-dom/-/react-router-dom-0.0.0-experimental-4286521e.tgz#cb55ade67811d252e76b6a9dc675d17005dac70b"
-  integrity sha512-+ByHVuOeVABXbZe/enX32/QvJ8g47ILx6r7Iu8xqUxrE7vN1Gk4DTuB/s4frLRT8RtDC5xw+xoMTG9Ojzc+H9A==
+react-router-dom@0.0.0-experimental-7b1bbb00:
+  version "0.0.0-experimental-7b1bbb00"
+  resolved "https://registry.npmjs.org/react-router-dom/-/react-router-dom-0.0.0-experimental-7b1bbb00.tgz#ac53ec77036ec4de08719677370b0dbd6a94a976"
+  integrity sha512-fGWVuY0LVaSM+FloQ9urDy1e1a9fX5Pq/lNP1dSnA2az2+M9qAkOeadSOdR0IMJmJU3l8rsh688Arhg/j3QAPQ==
   dependencies:
-    "@remix-run/router" "0.0.0-experimental-4286521e"
-    react-router "0.0.0-experimental-4286521e"
+    "@remix-run/router" "0.0.0-experimental-7b1bbb00"
+    react-router "0.0.0-experimental-7b1bbb00"
 
-react-router@0.0.0-experimental-4286521e:
-  version "0.0.0-experimental-4286521e"
-  resolved "https://registry.npmjs.org/react-router/-/react-router-0.0.0-experimental-4286521e.tgz#0a78a34b1322d016956af796762e84bc2948e64c"
-  integrity sha512-hLyGDdQOVLEMnJ0xflGtLmCPX10cI7dLBJKnPq5BGG8dixE5L+Av9imM8j9rU7Qm67NDHrp1xcPkVLS9oCFuvg==
+react-router@0.0.0-experimental-7b1bbb00:
+  version "0.0.0-experimental-7b1bbb00"
+  resolved "https://registry.npmjs.org/react-router/-/react-router-0.0.0-experimental-7b1bbb00.tgz#eae87bbfba7d28265ea55287b97c95eb147f7e91"
+  integrity sha512-7fdfoYJKv73CqivkA8VwXpkF+juw6GflK3HSXVQ+5wC/49for/+2mxk3Y/294C17xRSqiLeTb4mHC/olwNeZeQ==
   dependencies:
-    "@remix-run/router" "0.0.0-experimental-4286521e"
+    "@remix-run/router" "0.0.0-experimental-7b1bbb00"
 
 react@^18.2.0:
   version "18.2.0"