Summary

This project addresses two aspects of the infrastructure needed to create dedicated bus rapid transit (BRT) lanes: pavement structures, and boarding platforms and access. The first aspect requires the establishment of guidelines for pavement structures capable of supporting channeled traffic. The second portion requires the design of lane assist/precision docking (LA/PD) boarding platforms.

This project is divided into seven steps. The first step is to collect data from AC Transit about climactic conditions, expected time intervals between buses, properties of the buses, and the range of speed of buses. The second step establishes standards for the surface layer of the pavement, including the coefficient of friction and smoothness. The third step then establishes the standards of performance for that pavement, including fatigue cracking, rutting, and surface wear. Step four proposes design options for dedicated BRT lanes employing different pavements. The fifth step produces a cost analysis of the pavement's lifecycle. The sixth step is to generalize the design guidelines for pavement by combining knowledge from the case study and from conventional pavement design. Finally, step seven completes the project by writing monthly, quarterly, and a final report for the project.

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