Location: I-55 and LA 22, Tangipahoa Psh Reassurance shield after the Ponchatoula exit. Location: I-55 and LA 22, Tangipahoa Psh In two miles a stray business loop of US 51 will rejoin. Location: I-55 and Railroad Ave, Ponchatoula Exit in one mile for US 51 Business. Location: I-55 and Railroad Ave, Ponchatoula US 51 Business … Continue reading Interstate 55, LA-22 to US-51 Bus