Ann Arbor Railroad Signs Standards

1	Sign Post	25	Sign for pipe or wire lines burried along right of way
2	Permanent speed restriction	26 27	Sign for pipe or wire lines burried along right of way
3	No trespassing	28	Car distance markers
4	Close clearance side or top	29	Load limit sign
5	Close clearance top	30	Mile post
6	Close clearance side	31	Pole numbering
7	Whistle post	32	End of track circuit
8	Derail	33	Authorized parking
9	Permanent – resume speed	34	No parking
10	R. R. Xing one mile	35	Do not clear “sign”
11	Yard Limit	36	Permanent watchman off duty
12	No dumping	37	Temporary watchman off duty
13	Mail warning	38	Spring switch sign
14	Crossing sign	39	X-Buck for Hwy. Xing signal
15	Type 1 cross-buck	40	Stop – R. R. Xing
16	Type 2 cross-buck	41	Grade signal marker disc
17	Drilling cross-buck	42	“A” marker for high signal
18	Number of tracks sign	43	“A” marker for dwarf signal
19	Crossing sign post	44	Stop on Red signal
20	Location of crossing signs	45	#1 station sign for mounting on building
21	Height of crossing signs	46	#2 station sign for mounting on post
22	Xing Watchmans stop sign	47	Mounting station signs on post
23	Bridge number signs	48	Low clearance
24	Wire & pipe line crossing sign