sentences:  The Trent and Mersey insisted that there should be no direct connection at Middlewich, and instead built the short Wardle Canal to join the two, charging large compensation tolls for traffic passing along it.The canal became part of the Shropshire Union system in 1846, which was taken over by the London and North Western Railway within a year.Traffic on the branch was always limited by the compensation tolls, and it was not until 1888 that they were abolished.