MACADAMISED ROADWAYS.
Laying out new roads -- Macadamised roads a luxury -- Telford and
Macadam -- Specification of roadway, fifty years ago -- Modern
specification of roadway -- Advantages of Telford’s system -- Hard
core -- Concrete -- Table of depths of materials -- Ellice Clarke’s
tables of comparative cost -- Further particulars of comparative cost
-- Streets of Paris -- Cross section of roadway -- Objections to
macadamised roadways -- Notes on maintenance -- Bituminous roadways 34