diff --git a/src/components/map/parts/tiles-constants.ts b/src/components/map/parts/tiles-constants.ts
index f9e69d7..b708358 100644
--- a/src/components/map/parts/tiles-constants.ts
+++ b/src/components/map/parts/tiles-constants.ts
@@ -110,3 +110,33 @@ export const propertyNameMappings: Record<string, Record<number, string>> = {
   node_type: nodeTypeNames,
   intersection_type: intersectionTypeNames,
 };
+
+export const accessFlagNames: Record<number, string> = {
+  0: 'None',
+  1: 'Auto',
+  2: 'Pedestrian',
+  4: 'Bicycle',
+  8: 'Truck',
+  16: 'Emergency',
+  32: 'Taxi',
+  64: 'Bus',
+  128: 'HOV',
+  256: 'Wheelchair',
+  512: 'Moped',
+  1024: 'Motorcycle',
+};
+
+export const bikeNetworkFlagNames: Record<number, string> = {
+  0: 'None',
+  1: 'National',
+  2: 'Regional',
+  4: 'Local',
+  8: 'Mountain',
+};
+
+export const bitmaskPropertyMappings: Record<string, Record<number, string>> = {
+  'access:fwd': accessFlagNames,
+  'access:bwd': accessFlagNames,
+  access: accessFlagNames,
+  bike_network: bikeNetworkFlagNames,
+};
diff --git a/src/components/map/parts/tiles-info-popup.tsx b/src/components/map/parts/tiles-info-popup.tsx
index 54243e8..cb5590b 100644
--- a/src/components/map/parts/tiles-info-popup.tsx
+++ b/src/components/map/parts/tiles-info-popup.tsx
@@ -58,7 +58,7 @@ export function TilesInfoPopup({ features, onClose }: TilesInfoPopupProps) {
                           idx % 2 === 0 ? 'bg-muted/30' : 'bg-transparent'
                         }
                       >
-                        <td className="py-1.5 px-2 text-muted-foreground whitespace-nowrap">
+                        <td className="py-1.5 px-2 text-muted-foreground whitespace-nowrap font-bold">
                           {key}
                         </td>
                         <td className="py-1.5 px-2 text-right font-medium">
diff --git a/src/components/map/parts/tiles-property.spec.tsx b/src/components/map/parts/tiles-property.spec.tsx
index c9e3d54..2ba4e7e 100644
--- a/src/components/map/parts/tiles-property.spec.tsx
+++ b/src/components/map/parts/tiles-property.spec.tsx
@@ -104,19 +104,66 @@ describe('TilesProperty', () => {
     });
   });
 
-  describe('access properties', () => {
-    it('should show check icon for truthy access values', () => {
-      const { container } = render(
-        <TilesProperty propertyKey="access:car" value={true} />
-      );
-      expect(container.querySelector('.text-emerald-600')).toBeInTheDocument();
+  describe('access bitmask properties', () => {
+    it('should decode access:fwd bitmask to badges', () => {
+      // 1 (Auto) + 2 (Pedestrian) + 4 (Bicycle) = 7
+      render(<TilesProperty propertyKey="access:fwd" value={7} />);
+      expect(screen.getByText('Auto')).toBeInTheDocument();
+      expect(screen.getByText('Pedestrian')).toBeInTheDocument();
+      expect(screen.getByText('Bicycle')).toBeInTheDocument();
     });
 
-    it('should show X icon for falsy access values', () => {
-      const { container } = render(
-        <TilesProperty propertyKey="access:car" value={false} />
-      );
-      expect(container.querySelector('.text-red-600')).toBeInTheDocument();
+    it('should decode access:bwd bitmask to badges', () => {
+      // 8 (Truck) + 64 (Bus) = 72
+      render(<TilesProperty propertyKey="access:bwd" value={72} />);
+      expect(screen.getByText('Truck')).toBeInTheDocument();
+      expect(screen.getByText('Bus')).toBeInTheDocument();
+      expect(screen.queryByText('Auto')).not.toBeInTheDocument();
+    });
+
+    it('should show all access types for full bitmask', () => {
+      // All flags: 1+2+4+8+16+32+64+128+256+512+1024 = 2047
+      render(<TilesProperty propertyKey="access:fwd" value={2047} />);
+      expect(screen.getByText('Auto')).toBeInTheDocument();
+      expect(screen.getByText('Pedestrian')).toBeInTheDocument();
+      expect(screen.getByText('Bicycle')).toBeInTheDocument();
+      expect(screen.getByText('Truck')).toBeInTheDocument();
+      expect(screen.getByText('Emergency')).toBeInTheDocument();
+      expect(screen.getByText('Taxi')).toBeInTheDocument();
+      expect(screen.getByText('Bus')).toBeInTheDocument();
+      expect(screen.getByText('HOV')).toBeInTheDocument();
+      expect(screen.getByText('Wheelchair')).toBeInTheDocument();
+      expect(screen.getByText('Moped')).toBeInTheDocument();
+      expect(screen.getByText('Motorcycle')).toBeInTheDocument();
+    });
+
+    it('should show None for zero bitmask', () => {
+      render(<TilesProperty propertyKey="access:fwd" value={0} />);
+      expect(screen.getByText('None')).toBeInTheDocument();
+    });
+  });
+
+  describe('bike_network bitmask properties', () => {
+    it('should decode bike_network bitmask to badges', () => {
+      // 1 (National) + 4 (Local) = 5
+      render(<TilesProperty propertyKey="bike_network" value={5} />);
+      expect(screen.getByText('National')).toBeInTheDocument();
+      expect(screen.getByText('Local')).toBeInTheDocument();
+      expect(screen.queryByText('Regional')).not.toBeInTheDocument();
+    });
+
+    it('should show all bike network types for full bitmask', () => {
+      // All flags: 1+2+4+8 = 15
+      render(<TilesProperty propertyKey="bike_network" value={15} />);
+      expect(screen.getByText('National')).toBeInTheDocument();
+      expect(screen.getByText('Regional')).toBeInTheDocument();
+      expect(screen.getByText('Local')).toBeInTheDocument();
+      expect(screen.getByText('Mountain')).toBeInTheDocument();
+    });
+
+    it('should show None for zero bike_network', () => {
+      render(<TilesProperty propertyKey="bike_network" value={0} />);
+      expect(screen.getByText('None')).toBeInTheDocument();
     });
   });
 
diff --git a/src/components/map/parts/tiles-property.tsx b/src/components/map/parts/tiles-property.tsx
index a8b247a..5c06647 100644
--- a/src/components/map/parts/tiles-property.tsx
+++ b/src/components/map/parts/tiles-property.tsx
@@ -1,10 +1,25 @@
 import type { ReactNode } from 'react';
 import { ExternalLink, Check, X as XIcon } from 'lucide-react';
 
-import { propertyNameMappings } from './tiles-constants';
+import {
+  bitmaskPropertyMappings,
+  propertyNameMappings,
+} from './tiles-constants';
 import { cn } from '@/lib/utils';
 import { Badge } from '@/components/ui/badge';
 
+function decodeBitmask(
+  value: number,
+  mapping: Record<number, string>
+): string[] {
+  if (value === 0) {
+    return [mapping[0]!];
+  }
+  return Object.entries(mapping)
+    .filter(([mask]) => value & Number(mask))
+    .map(([, label]) => label);
+}
+
 interface TilesPropertyProps {
   propertyKey: string;
   value: unknown;
@@ -33,9 +48,9 @@ export function TilesProperty({
     );
   }
 
-  const mapping = propertyNameMappings[propertyKey];
-  if (mapping && typeof value === 'number') {
-    const name = mapping[value] || 'Unknown';
+  const propNamemapping = propertyNameMappings[propertyKey];
+  if (propNamemapping && typeof value === 'number') {
+    const name = propNamemapping[value] || 'Unknown';
     return (
       <span className="inline-flex items-center gap-1.5">
         <Badge variant="outline">{name}</Badge>
@@ -44,17 +59,17 @@ export function TilesProperty({
     );
   }
 
-  if (propertyKey.startsWith('access:')) {
+  const bitmaskMapping = bitmaskPropertyMappings[propertyKey];
+  if (bitmaskMapping && typeof value === 'number') {
+    const decodedValues = decodeBitmask(value, bitmaskMapping);
     return (
-      <span
-        className={cn(
-          'inline-flex items-center justify-center size-5 rounded-full',
-          value
-            ? 'bg-emerald-500/20 text-emerald-600 dark:text-emerald-400'
-            : 'bg-red-500/20 text-red-600 dark:text-red-400'
-        )}
-      >
-        {value ? <Check className="size-3" /> : <XIcon className="size-3" />}
+      <span className="inline-flex flex-col items-end gap-1.5">
+        {decodedValues.map((label) => (
+          <Badge variant="outline" key={label}>
+            {label}
+          </Badge>
+        ))}
+        <span>({value})</span>
       </span>
     );
   }