For instance, construction of the Elizabeth Line from Abbey Wood enlarges the catchment area and thus increases the number of reachable jobs. Rather than calculating travel times to specific locations, this method quantifies the number of services that can be reached within a given period (Inayathusein and Cooper, 2018). Such maps, for instance, those quantifying the number of workplaces reachable within 45 minutes by public transport for each zone in London, are used as a strategic indicator of connectivity in the Mayor's Transport Strategy. Projects potentially affecting the whole Greater London area, such as Crossrail 2 - the new rail link that will connect Central London to Reading and Heathrow in the west and Shenfield and Abbey Wood in the east -, are assessed using London-wide catchment analysis to determine how many more services will be reachable within 45 minutes from each zone once service begins (Inayathusein and Cooper, 2018).