Timetable, route change and new service route number.

Mon 21st Jul onwards

Revised timetable, route change and new service route number. Service will now operate via Hollow Lane in Hitchin throughout the day. New service route 37X will operate an additional journey at 1607 from Buntingford to Stevenage via Cottered, Cromer and Walkern will operate from 21.07.25. New service route number 37X journey 0617 from Buntingford and journey 1850 from Stevenage will start to operate from 1st September 2025.