diff --git a/packages/elements-core/src/components/MosaicTableOfContents/TableOfContents.tsx b/packages/elements-core/src/components/MosaicTableOfContents/TableOfContents.tsx
index 9309a7475..0a365fa63 100644
--- a/packages/elements-core/src/components/MosaicTableOfContents/TableOfContents.tsx
+++ b/packages/elements-core/src/components/MosaicTableOfContents/TableOfContents.tsx
@@ -1,6 +1,7 @@
 import { Box, Flex, Icon } from '@stoplight/mosaic';
 import * as React from 'react';
 
+import { useRouterType } from '../../context/RouterType';
 import { useFirstRender } from '../../hooks/useFirstRender';
 import { VersionBadge } from '../Docs/HttpOperation/Badges';
 import {
@@ -48,6 +49,10 @@ export const TableOfContents = React.memo<TableOfContentsProps>(
     const child = React.useRef<HTMLDivElement>(null);
     const firstRender = useFirstRender();
 
+    // when using the hash router, slugs must be absolute - otherwise the router will keep appending to the existing hash route
+    // this flag makes a slug like `abc/operations/getPet` be rendered as `#/abc/operations/getPet`
+    const makeSlugAbsoluteRoute = useRouterType() == 'hash';
+
     React.useEffect(() => {
       // setTimeout to handle scrollTo after groups expand to display active GroupItem
       setTimeout(() => {
@@ -87,6 +92,7 @@ export const TableOfContents = React.memo<TableOfContentsProps>(
                     maxDepthOpenByDefault={maxDepthOpenByDefault}
                     onLinkClick={onLinkClick}
                     isInResponsiveMode={isInResponsiveMode}
+                    makeSlugAbsoluteRoute={makeSlugAbsoluteRoute}
                   />
                 );
               })}
@@ -122,9 +128,10 @@ const GroupItem = React.memo<{
   depth: number;
   item: TableOfContentsGroupItem;
   isInResponsiveMode?: boolean;
+  makeSlugAbsoluteRoute?: boolean;
   maxDepthOpenByDefault?: number;
   onLinkClick?(): void;
-}>(({ item, depth, maxDepthOpenByDefault, isInResponsiveMode, onLinkClick }) => {
+}>(({ item, depth, maxDepthOpenByDefault, isInResponsiveMode, makeSlugAbsoluteRoute, onLinkClick }) => {
   if (isExternalLink(item)) {
     return (
       <Box as="a" href={item.url} target="_blank" rel="noopener noreferrer" display="block">
@@ -144,6 +151,7 @@ const GroupItem = React.memo<{
         maxDepthOpenByDefault={maxDepthOpenByDefault}
         onLinkClick={onLinkClick}
         isInResponsiveMode={isInResponsiveMode}
+        makeSlugAbsoluteRoute={makeSlugAbsoluteRoute}
       />
     );
   } else if (isNode(item)) {
@@ -151,6 +159,7 @@ const GroupItem = React.memo<{
       <Node
         depth={depth}
         isInResponsiveMode={isInResponsiveMode}
+        makeSlugAbsoluteRoute={makeSlugAbsoluteRoute}
         item={item}
         onLinkClick={onLinkClick}
         meta={
@@ -181,8 +190,9 @@ const Group = React.memo<{
   item: TableOfContentsGroup | TableOfContentsNodeGroup;
   maxDepthOpenByDefault?: number;
   isInResponsiveMode?: boolean;
+  makeSlugAbsoluteRoute?: boolean;
   onLinkClick?(): void;
-}>(({ depth, item, maxDepthOpenByDefault, isInResponsiveMode, onLinkClick = () => {} }) => {
+}>(({ depth, item, maxDepthOpenByDefault, isInResponsiveMode, makeSlugAbsoluteRoute, onLinkClick = () => {} }) => {
   const activeId = React.useContext(ActiveIdContext);
   const [isOpen, setIsOpen] = React.useState(() => isGroupOpenByDefault(depth, item, activeId, maxDepthOpenByDefault));
   const hasActive = !!activeId && hasActiveItem(item.items, activeId);
@@ -238,6 +248,7 @@ const Group = React.memo<{
         onClick={handleClick}
         onLinkClick={onLinkClick}
         isInResponsiveMode={isInResponsiveMode}
+        makeSlugAbsoluteRoute={makeSlugAbsoluteRoute}
       />
     );
   } else {
@@ -271,6 +282,7 @@ const Group = React.memo<{
               depth={depth + 1}
               onLinkClick={onLinkClick}
               isInResponsiveMode={isInResponsiveMode}
+              makeSlugAbsoluteRoute={makeSlugAbsoluteRoute}
             />
           );
         })}
@@ -331,53 +343,56 @@ const Node = React.memo<{
   meta?: React.ReactNode;
   showAsActive?: boolean;
   isInResponsiveMode?: boolean;
+  makeSlugAbsoluteRoute?: boolean;
   onClick?: (e: React.MouseEvent, forceOpen?: boolean) => void;
   onLinkClick?(): void;
-}>(({ item, depth, meta, showAsActive, isInResponsiveMode, onClick, onLinkClick = () => {} }) => {
-  const activeId = React.useContext(ActiveIdContext);
-  const isActive = activeId === item.slug || activeId === item.id;
-  const LinkComponent = React.useContext(LinkContext);
+}>(
+  ({ item, depth, meta, showAsActive, isInResponsiveMode, makeSlugAbsoluteRoute, onClick, onLinkClick = () => {} }) => {
+    const activeId = React.useContext(ActiveIdContext);
+    const isActive = activeId === item.slug || activeId === item.id;
+    const LinkComponent = React.useContext(LinkContext);
 
-  const handleClick = (e: React.MouseEvent) => {
-    if (isActive) {
-      // Don't trigger link click when we're active
-      e.stopPropagation();
-      e.preventDefault();
-    } else {
-      onLinkClick();
-    }
+    const handleClick = (e: React.MouseEvent) => {
+      if (isActive) {
+        // Don't trigger link click when we're active
+        e.stopPropagation();
+        e.preventDefault();
+      } else {
+        onLinkClick();
+      }
 
-    // Force open when clicking inactive group
-    if (onClick) {
-      onClick(e, isActive ? undefined : true);
-    }
-  };
+      // Force open when clicking inactive group
+      if (onClick) {
+        onClick(e, isActive ? undefined : true);
+      }
+    };
 
-  return (
-    <Box
-      as={LinkComponent}
-      to={item.slug}
-      display="block"
-      textDecoration="no-underline"
-      className="ElementsTableOfContentsItem"
-    >
-      <Item
-        id={getHtmlIdFromItemId(item.slug || item.id)}
-        isActive={isActive || showAsActive}
-        depth={depth}
-        title={item.title}
-        icon={
-          NODE_TYPE_TITLE_ICON[item.type] && (
-            <Box as={Icon} color={NODE_TYPE_ICON_COLOR[item.type]} icon={NODE_TYPE_TITLE_ICON[item.type]} />
-          )
-        }
-        meta={meta}
-        isInResponsiveMode={isInResponsiveMode}
-        onClick={handleClick}
-      />
-    </Box>
-  );
-});
+    return (
+      <Box
+        as={LinkComponent}
+        to={makeSlugAbsoluteRoute && !item.slug.startsWith('/') ? `/${item.slug}` : item.slug}
+        display="block"
+        textDecoration="no-underline"
+        className="ElementsTableOfContentsItem"
+      >
+        <Item
+          id={getHtmlIdFromItemId(item.slug || item.id)}
+          isActive={isActive || showAsActive}
+          depth={depth}
+          title={item.title}
+          icon={
+            NODE_TYPE_TITLE_ICON[item.type] && (
+              <Box as={Icon} color={NODE_TYPE_ICON_COLOR[item.type]} icon={NODE_TYPE_TITLE_ICON[item.type]} />
+            )
+          }
+          meta={meta}
+          isInResponsiveMode={isInResponsiveMode}
+          onClick={handleClick}
+        />
+      </Box>
+    );
+  },
+);
 
 const Version: React.FC<{ value: string }> = ({ value }) => {
   return (
diff --git a/packages/elements-dev-portal/src/containers/StoplightProject.tsx b/packages/elements-dev-portal/src/containers/StoplightProject.tsx
index fa0fedd05..fd31aa82b 100644
--- a/packages/elements-dev-portal/src/containers/StoplightProject.tsx
+++ b/packages/elements-dev-portal/src/containers/StoplightProject.tsx
@@ -192,11 +192,11 @@ const StoplightProjectRouter = ({
     <DevPortalProvider platformUrl={platformUrl}>
       <RouterTypeContext.Provider value={router}>
         <Router {...routerProps} key={basePath}>
-          <Route path="/branches/:branchSlug/:nodeSlug" exact>
+          <Route path="/branches/:branchSlug/:nodeSlug+" exact>
             <StoplightProjectImpl {...props} />
           </Route>
 
-          <Route path="/:nodeSlug" exact>
+          <Route path="/:nodeSlug+" exact>
             <StoplightProjectImpl {...props} />
           </Route>