-----------------------+----------+-----+----+------+-------+-----+ |Ideal Road| | | | | | Qualities | for this |Best |Sand| | | | |Particular|Earth|Clay|Gravel|Macadam|Brick| | Location |Road |Road| Road | Road |Road | -----------------------+----------+-----+----+------+-------+-----+ Low first cost | 20 | 20 | 16 | 16 | 15 | 10 | Low cost of maintenance| 20 | 15 | 15 | 10 | 8 | 9 | Ease of traction | 10 | 1 | 4 | 6 | 8 | 10 | Non-slipperiness | 10 | 9 | 9 | 9 | 9 | 8 | Noiselessness | 5 | 5 | 5 | 5 | 4 | 1 | Healthfulness | 10 | 5 | 5 | 6 | 8 | 9 | Freedom from dust and | | | | | | | mud | 10 | 1 | 2 | 3 | 4 | 9 | Comfortable to use | 10 | 3 | 4 | 5 | 6 | 8 | Appearance | 5 | 2 | 3 | 3 | 4 | 3 | +----------+-----+----+------+-------+-----+ Total | 100 | 61 | 63 | 63 | 66 | 69 | -----------------------+----------+-----+----+------+-------+-----+ -----------------------+--------+-------+---------+----------+------- | | | | | | | |Creosoted| | |Concrete|Asphalt| Wood |Bituminous| Sheet Qualities | Road | Block | Block | Concrete |Asphalt -----------------------+--------+-------+---------+----------+------- Low first cost | 12 | 10 | 8 | 14 | 13 Low cost of maintenance| 8 | 8 | 10 | 8 | 10 Ease of traction | 10 | 9 | 9 | 9 | 10 Non-slipperiness | 5 | 5 | 5 | 5 | 5 Noiselessness | 1 | 2 | 4 | 2 | 2 Healthfulness | 9 | 9 | 8 | 9 | 9 Freedom from dust and | | | | | mud | 9 | 9 | 9 | 9 | 9 Comfortable to use | 8 | 9 | 9 | 9 | 9 Appearance | 4 | 5 | 5 | 5 | 5 +--------+-------+---------+----------+------- Total | 66 | 66 | 67 | 70 | 72 -----------------------+--------+-------+---------+----------+------- Tilson gives the following weights for city pavements having heavy traffic:[185]