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Council orders manager to ask TxDOT for signs and modeling after RM620 auxiliary‑lane change
Summary
TxDOT crews re‑marked the auxiliary lane on RM 620 near Lomond's Crossing to operate as a right‑turn lane; council asked the city manager to request maximum signage and the agency’s modeling and monitoring data, and made the request by unanimous motion.
The City Council directed the city manager to request additional traffic signage and the TxDOT analyses behind a recent restriping change on RM 620.
Councilmember Brian O’Brien reported that TxDOT crews recently re‑striped the auxiliary lane near Lomond’s Crossing and through the Lake Travis High School corridor and that TxDOT told him the agency considered breaking the larger RM 620 widening project into smaller “breakout” projects and placing some segments earlier in its letting schedule. O’Brien said TxDOT told him it could include intersection breakout projects in the section of the overall RM 620 project that is furthest along in right‑of‑way and utility work.
Several council members and members of the public said they were surprised the re‑striping had been implemented without wider notice or visible signs marking the right‑turn designation. A resident reported seeing drivers continued to use the former shoulder and auxiliary lane as through traffic. Council debate focused on safety, traffic modeling, and whether TxDOT had run a capacity or operational model before making the change.
Council voted unanimously to direct the city manager to ask TxDOT to install the maximum appropriate signage to convey that the auxiliary lane is right‑turn only and to provide the modeling or operational analysis TxDOT used to justify the change. The motion also asked staff to request monitoring and adjustments if TxDOT determines they are necessary.
The council’s action was procedural: it did not order a change to the restriping itself but sought clearer signage and the underlying data so council and staff could evaluate the effects.
Direct quotes in this article come from council remarks and the meeting presentation.
