In due course he advised the construction of 77 reinforced concrete police stations and posts which could be defended against attack, and of a frontier fence along the northern border of Palestine to control the movement of insurgents, goods and weapons. His recommendations were accepted and 62 new "Tegart forts", as they came to be known, were built throughout Palestine, however all but a few located along the Lebanese border were built after the Arab Revolt, in 1940–41. Many of them are still in use, some by Israeli forces and others by Palestinian ones, while others were destroyed in various rounds of fighting.