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A further note on undulation as a speed control device
Accident experience of flashing traffic signal operation in Portland, Oregon
Critique of rail-highway grade crossing effectiveness ratios and resource allocation procedures
Effectiveness of flashing beacons in reducing accidents at a hazardous rural curve
Effects of wide edge lines on lateral placement and speed on two-lane rural roads
Guidelines for protected/permissive left-turn signal phasing
Guidelines for selecting type of left-turn phasing
Probabilistic approach for determining the change interval
Reassessment of the traffic signal change interval
Rumble strips and paint stripes at a rural intersection
Safety, economic and environmental consequences of requiring stops at railroad-highway crossings
Timing design of traffic signals
Use of constant warning time systems at rail-highway grade crossings