The other seven principal gateways to London , ( Ludgate , Newgate , Aldersgate , Cripplegate , Moorgate , Bishopsgate and Aldgate ) had all been demolished by 1800 .
Temple Bar remained despite London 's impediment to the ever - growing traffic .
The other seven principal gateways to London , ( Ludgate , Newgate , Aldersgate , Cripplegate , Moorgate , Bishopsgate and Aldgate ) had all been demolished by 1800 , but Temple Bar remained despite its impediment to the ever - growing traffic .