Bahagi rin ng ugnayang LSEN ang mga karugtong ng SLEx ( Santo Tomas hanggang Matnog ) , TPLEx ( Binalonan hanggang San Fernando , La Union ) , Skyway Stage 3 ( Makati hanggang Balintawak ) , CAVITEX  @-@  C @-@ 5 Link Expressway ) , at ang mga ipinapanukalang mabilisang daanan tulad ng C @-@ 6 Expressway , North Luzon East Expressway ( NLEE o NLEx East ) , Central Luzon Link Expressway ( CLLEx ) , Harbor Link Expressway ( NLEx Segment 10.1 ) , Cavite  @-@  Laguna Expressway ( CALAx ) at Cavite  @-@  Tagaytay  @-@  Batangas Expressway ( CTBEx ).
