--- a
+++ b/nih-ct-protocol-ui/src/app/app-routing.module.ts
@@ -0,0 +1,23 @@
+import { NgModule } from '@angular/core';
+import { RouterModule, Routes } from '@angular/router';
+import {AppComponent} from './app.component';
+import {SearchItemsComponent} from './search-items/search-items.component';
+import { ResultsComponent }      from './results/results.component';
+import { AboutComponent }      from './about/about.component';
+
+const routes: Routes = [
+  { path: '', redirectTo: '/about', pathMatch: 'full' },
+  { path: 'about', component: AboutComponent },
+  { path: 'search_criteria', component: SearchItemsComponent },
+  { path: 'results', component: ResultsComponent }
+];
+
+@NgModule({
+  imports: [ RouterModule.forRoot(routes) ],
+  exports: [ RouterModule ]
+})
+
+export class AppRoutingModule {
+
+
+}