Three options discussed by TAC and presented to Transportation Board

The Ourston 4-lane option. Ourston Roundabout Engineering suggested a concept with three through-traffic lanes, a median with turning bays, and three roundabouts. When Kyle Zimmerman introduced this option at the January 12th Transportation Board Meeting, he eliminated the roundabouts at Tewa Loop and Airport Road, reporting that they would not fit within the geometric constraints at those locations.

PB 4-lane option. Parsons-Brinckerhoff started from the plan assembled by Los Alamos County and the New Mexico Department of Transportation (NMDOT) in 2007. This concept also has two lanes Eastbound and one lane Westbound, plus a median with turning bays. The intersection at Trinity and Central would be signalized.

PB 5-lane option. Based on current and future traffic volumes, Parsons-Brinckerhoff recommended two through-traffic lanes in both directions, plus a median with turning bays. The intersection at Trinity and Central would be signalized.

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