The term transportation system is identified in base64 scheme by the sequence dHJhbnNwb3J0YXRpb24gc3lzdGVt, while the MD5 signature is equal to 999cb30a72d77a1fe2306cbe4873cd2e. The ASCII encoding of transportation system in hexadecimal notation is 7472616e73706f72746174696f6e2073797374656d.