@Routes([
  { path: '/', component: StartComponent },
  {path: '/:projId/:userName', component: ProjectListComponent},
  { path: '*', component: StartComponent },
])

import {Component, OnInit} from '@angular/core';
import {RouteParams} from '@angular/router-deprecated';

@Component({
  ...
})
export class ProjectListComponent implements OnInit {
  userName:string;
  projId:string;

  constructor(private params:RouteParams) {
    this.userName = params.get('userName');
    this.projId = params.get('projId');
  }
}