Abstract: One method for increasing the capacity at a signalized intersection is to provide an additional through lane on the approaches to and beyond the intersection. If an additional lane is provided, the question arises as to ...

Abstract: The left-turn adjustment factor, as introduced in the 1985 Highway Capacity Manual, for opposed left-turns at a signalized intersection is discussed. The special case involving an exclusive left-turn lane without a separate ...

Abstract: Simplified charts are presented to solve the AASHTO Pavement Guide equations for flexible and rigid pavement design. The charts incorporate all the variables included in the flexible equation. Some variables in the rigid ...

Abstract: A comparison of the design thickness of rigid pavement slabs as determined by the AASHTO and PCA methods is presented. The comparison is given for a wide range of truck volumes and axle weights to represent the loadings ...