ASP MVC Routing with > 1 parameter

routes.MapRoute(
            "ItemName",
            "{controller}/{action}/{projectName}/{name}",
            new { controller = "Home", action = "Index", name = "", projectName = "" }
            );

/Milestone/Edit/Co-Driver/Feature complete

<%=Url.Action("Edit", "Milestone", new {name=m.name, projectName=m.Project.title})%>

Milestone/Edit?name=Feature complete&projectName=Co-Driver

"{controller}/{action}/{id}"
"{controller}/{action}/{projectName}/{name}"

routes.MapRoute(
    "ItemName",
    "Home/{action}/{projectName}/{name}",
    new { controller = "Home", action = "Index", name = "", projectName = "" }
);

<%=Html.RouteLink("Edit", "ItemName", new { projectName=m.Project.title, name=m.name, controller="Milestone", action="Edit"})%>

Html.RouteLink("Edit","ItemName", new {name=m.name, projectName=m.Project.title});