```ruby
Collections::Application.routes.draw do
  # Note that this app only receives requests for routes registered with the
  # content-store (by collections-publisher) - whenever the routes below
  # change, also change the routes claimed by collections-publisher.

  mount JasmineRails::Engine => '/specs' if defined?(JasmineRails)

  get "/browse.json" => redirect("/api/content/browse")
  resources :browse, only: [:index, :show], param: :top_level_slug
  get "/browse/:top_level_slug/:second_level_slug", to: "second_level_browse_page#show"

  get "/topic", to: "topics#index", as: :topics
  get "/topic/:topic_slug/:subtopic_slug/latest", to: "topics#latest_changes", as: :latest_changes
  get "/topic/:topic_slug/:subtopic_slug", to: "topics#subtopic", as: :subtopic
  get "/topic/:topic_slug", to: "topics#topic", as: :topic
  get "/topic/:topic_slug/:subtopic_slug/email-signup", to: "email_signups#new", as: :email_signup
  post "/topic/:topic_slug/:subtopic_slug/email-signup", to: "email_signups#create"

  get "/government/organisations/:organisation_id/services-information", to: "services_and_information#index", as: :services_and_information

  get '*taxon_base_path', to: 'taxons#show'
end
```

Use route helper for second level browse page
user
```ruby
Collections::Application.routes.draw do
  # Note that this app only receives requests for routes registered with the
  # content-store (by collections-publisher) - whenever the routes below
  # change, also change the routes claimed by collections-publisher.

  mount JasmineRails::Engine => '/specs' if defined?(JasmineRails)

  get "/browse.json" => redirect("/api/content/browse")

  resources :browse, only: [:index, :show], param: :top_level_slug do
    get ':second_level_slug', on: :member, to: "second_level_browse_page#show"
  end

  get "/topic", to: "topics#index", as: :topics
  get "/topic/:topic_slug/:subtopic_slug/latest", to: "topics#latest_changes", as: :latest_changes
  get "/topic/:topic_slug/:subtopic_slug", to: "topics#subtopic", as: :subtopic
  get "/topic/:topic_slug", to: "topics#topic", as: :topic
  get "/topic/:topic_slug/:subtopic_slug/email-signup", to: "email_signups#new", as: :email_signup
  post "/topic/:topic_slug/:subtopic_slug/email-signup", to: "email_signups#create"

  get "/government/organisations/:organisation_id/services-information", to: "services_and_information#index", as: :services_and_information

  get '*taxon_base_path', to: 'taxons#show'
end
```
assistant