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Advisory committee discusses data needs, short demo evaluation window and crash-portal sources
Summary
Members asked for updated crash data (first half of 2026) and debated whether a 60-day demonstration would capture crash outcomes; staff said speed/volume metrics can be measured quickly but crash trends require longer-term follow-up.
Members asked whether the project team could obtain crash data for the first half of 2026; Bill said staff would pull data from the MassDOT crash portal and coordinate with the police department. "We can probably get some information through the mass stock crash portal portal for the 1st 0.5 of 26," he said, and staff committed to follow up.
Several members cautioned that crash counts need longer time windows to reveal safety effects: George said follow-ups are usually two to three years to see crash reductions. Staff responded that short-term speed and volume changes can indicate performance and that the formal evaluation report would follow after the pilot.
