The week the commute is up for grabs
May 28, 2026 · 2 min read
A commute is a decision most people make once and then stop making. The route hardens into routine, and information that arrives afterward mostly bounces off. So when does the decision actually happen?
A randomized trial in a US city offers a precise answer. Researchers sent bike-share offers to two groups: people who had recently moved house, and people whose local options had changed around them, with new stations appearing near homes they had lived in for years. The recent movers were almost four times as likely to take up the offer. Same offer, same city, same system. The difference was the moment. The movers' old routines had dissolved with the move, and for a short window, the journey to work was still undecided.
4x
Recent movers were almost four times as likely to take up the same travel offer. The moment mattered more than the message.
Source: Behavioural Insights Team, 2019
Organizations own more of these windows than they realize
Every hire is a mover: a person whose commute does not exist yet, deciding in their first weeks what it will be. Every office relocation reopens the decision for the whole workforce at once. So does a return-to-office change, a shift-pattern change, a new site opening. These moments arrive on the organization's own calendar, which means the organization can be ready for them.
What to apply
Put your best mobility offer inside the first weeks, when the routine is forming anyway. Make the transit benefit, the bike arrangement, the carpool match part of onboarding rather than something discovered in month six, after the parking habit has set. And when a relocation is coming, treat the move date as the program's launch date. The same offer costs the same either way; delivered in the window, it works several times harder.
The limit
The trial measured uptake of an offer, which is distinct from sustained change, and it studied one system in one city. Pair the timing with follow-through: routines that start well still need maintenance.
Source: Behavioural Insights Team, Journal of Behavioural Public Administration, 2019.