Alpha tags are provided. Passenger train activity centers in the New Haven station and terminal, and on Amtrak / MN / LIRR, but freight activity at Cedar Hill Yard, on the P&W Middletown line, and on Long Island can also be heard. The following Amtrak, CSXT, Metro North, Long Island RR, New York & Atlantic,and Providence & Worcester frequencies are monitored, with the ones shown in bold being the most active;

160.650 160.650 P&W road
161.100 161.100 P&W yard
161.070 161.070 CSXT Cedar Hill Yard
160.455 160.445 Amtrak yard
160.920 160.920 Amtrak East and North
160.545 160.545 Amtrak & MN West Dispatcher
160.335 160.335 MN East Dispatcher
161.040 161.040 MN Yard
160.380 160.380 Long Island RR CH1
161.445 161.445 Long Island RR CH2
161.265 161.265 Long Island RR CH3
161.535 161.535 Long Island RR CH4
160.230 160.230 NY&A
160.740 160.740 NY&A
161.100 161.100 NY&A
161.310 161.310 NY&A