diff --git a/types/d3-interpolate-path/d3-interpolate-path-tests.ts b/types/d3-interpolate-path/d3-interpolate-path-tests.ts
new file mode 100644
index 0000000000..f728cae7d8
--- /dev/null
+++ b/types/d3-interpolate-path/d3-interpolate-path-tests.ts
@@ -0,0 +1,14 @@
+import { interpolatePath } from 'd3-interpolate-path';
+
+// $ExpectType (t: number) => string
+const interpolate = interpolatePath('M0,0 L10,10', 'M10,10 L20,20 L30,30');
+
+// $ExpectType string
+interpolate(0.6);
+
+// $ExpectType string
+interpolatePath(
+    'M0,0 L10,10',
+    'M10,10 L20,20 L30,30',
+    (a, b) => a.x === b.x && b.y === 30 && a.type === 'L'
+)(0.3);
diff --git a/types/d3-interpolate-path/index.d.ts b/types/d3-interpolate-path/index.d.ts
new file mode 100644
index 0000000000..3633280117
--- /dev/null
+++ b/types/d3-interpolate-path/index.d.ts
@@ -0,0 +1,16 @@
+// Type definitions for d3-interpolate-path 2.0
+// Project: https://github.com/pbeshai/d3-interpolate-path
+// Definitions by: Paweł Dąbrowski <https://github.com/paolostyle>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export interface PathCommandObject {
+    type: string;
+    x: number;
+    y: number;
+}
+
+export function interpolatePath(
+    a: string,
+    b: string,
+    excludeSegment?: (a: PathCommandObject, b: PathCommandObject) => boolean
+): (t: number) => string;
diff --git a/types/d3-interpolate-path/tsconfig.json b/types/d3-interpolate-path/tsconfig.json
new file mode 100644
index 0000000000..d44db50576
--- /dev/null
+++ b/types/d3-interpolate-path/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "d3-interpolate-path-tests.ts"
+    ]
+}
diff --git a/types/d3-interpolate-path/tslint.json b/types/d3-interpolate-path/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/d3-interpolate-path/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }