Why is the thread for the subway and railroad signs locked?

[Jashawn R. 2]

Hey Harry why did u lock the tread fo the subway and railroad signs?

[Harry 1,090]

That thread is locked after a request is made. When that request is fulfilled it will be opened again for another request. My time has been very limited as my side work is picking up for me again. I'll try and get that request done later on tonight.